Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/dnsmap-0.35/src/dnsmap.c Examining data/dnsmap-0.35/src/dnsmap.h FINAL RESULTS: data/dnsmap-0.35/src/dnsmap.c:146:6: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(CREATEFILEERR); data/dnsmap-0.35/src/dnsmap.c:170:6: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(CREATEFILEERR); data/dnsmap-0.35/src/dnsmap.c:200:5: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(FILTERMSG); data/dnsmap-0.35/src/dnsmap.c:214:5: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(FILTIPINPUTERR); data/dnsmap-0.35/src/dnsmap.c:230:4: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(WILDCARDWARN); data/dnsmap-0.35/src/dnsmap.c:231:3: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(BUILTINMSG); data/dnsmap-0.35/src/dnsmap.c:233:18: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(DELAYMSG); data/dnsmap-0.35/src/dnsmap.c:289:6: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(ipstr,inet_ntoa(*((struct in_addr *)h->h_addr_list[j])),"%s"); data/dnsmap-0.35/src/dnsmap.c:377:4: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(WILDCARDWARN); data/dnsmap-0.35/src/dnsmap.c:381:4: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(EXTERNALMSG); data/dnsmap-0.35/src/dnsmap.c:383:19: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(DELAYMSG); data/dnsmap-0.35/src/dnsmap.c:440:7: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(ipstr,inet_ntoa(*((struct in_addr *)h->h_addr_list[j])),"%s"); data/dnsmap-0.35/src/dnsmap.c:516:4: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(OPENFILEERR); data/dnsmap-0.35/src/dnsmap.c:525:2: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(RESULTSMSG4); data/dnsmap-0.35/src/dnsmap.c:527:3: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(RESULTSMSG1); data/dnsmap-0.35/src/dnsmap.c:530:3: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(RESULTSMSG2); data/dnsmap-0.35/src/dnsmap.c:532:3: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(RESULTSMSG5); data/dnsmap-0.35/src/dnsmap.c:535:2: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf(RESULTSMSG3); data/dnsmap-0.35/src/dnsmap.c:575:3: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(ipstr,inet_ntoa(*((struct in_addr *)h->h_addr_list[0])),"%s"); data/dnsmap-0.35/src/dnsmap.c:783:4: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(ipstr,inet_ntoa(*((struct in_addr *)h->h_addr_list[i])),"%s"); data/dnsmap-0.35/src/dnsmap.c:546:9: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. srand(time(NULL)); data/dnsmap-0.35/src/dnsmap.c:589:2: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. srand(time(NULL)); data/dnsmap-0.35/src/dnsmap.c:681:9: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. srand(time(NULL)); data/dnsmap-0.35/src/dnsmap.c:756:9: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. srand(time(NULL)); data/dnsmap-0.35/src/dnsmap.c:50:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char dom[MAXSTRSIZE]={'\0'}, csvResultsFilename[MAXSTRSIZE]={'\0'}, data/dnsmap-0.35/src/dnsmap.c:62:6: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char ipv6str[INET6_ADDRSTRLEN]; data/dnsmap-0.35/src/dnsmap.c:72:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char timestampBuf[18]; data/dnsmap-0.35/src/dnsmap.c:133:14: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). fpTxtLogs=fopen(txtResultsFilename, "a"); data/dnsmap-0.35/src/dnsmap.c:144:15: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). fpTxtLogs=fopen(txtResultsFilename, "a"); data/dnsmap-0.35/src/dnsmap.c:157:16: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). fpCsvLogs=fopen(csvResultsFilename, "a"); data/dnsmap-0.35/src/dnsmap.c:168:15: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). fpCsvLogs=fopen(csvResultsFilename, "a"); data/dnsmap-0.35/src/dnsmap.c:184:7: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). if(atoi(argv[(i+1)])<1 || atoi(argv[(i+1)])>300000) { // delay must be between 1 ms and 5 minutes data/dnsmap-0.35/src/dnsmap.c:184:30: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). if(atoi(argv[(i+1)])<1 || atoi(argv[(i+1)])>300000) { // delay must be between 1 ms and 5 minutes data/dnsmap-0.35/src/dnsmap.c:189:17: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). milliseconds=atoi(argv[(i+1)]); data/dnsmap-0.35/src/dnsmap.c:379:11: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). fpWords=fopen(wordlistFilename, "r"); data/dnsmap-0.35/src/dnsmap.c:542:9: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char strTmp[30]={'\0'},s[MAXSTRSIZE]={'\0'}; data/dnsmap-0.35/src/dnsmap.c:557:17: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(strTmp, "%d", n); data/dnsmap-0.35/src/dnsmap.c:649:9: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char strTmp[30]={'\0'},s[MAXSTRSIZE]={'\0'}; data/dnsmap-0.35/src/dnsmap.c:692:17: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(strTmp, "%d", n); data/dnsmap-0.35/src/dnsmap.c:751:9: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char strTmp[30]={'\0'}, s[MAXSTRSIZE]={'\0'}, dummyLTD[4]={"xyz"}/*, ipstr[INET_ADDRSTRLEN]={'\0'}*/; data/dnsmap-0.35/src/dnsmap.c:767:17: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(strTmp, "%d", n); data/dnsmap-0.35/src/dnsmap.c:105:7: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). if((strlen(argv[i]))>MAXSTRSIZE) { data/dnsmap-0.35/src/dnsmap.c:132:4: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(txtResultsFilename, argv[(i+1)], MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:132:56: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncpy(txtResultsFilename, argv[(i+1)], MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:135:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(txtResultsFilename, "dnsmap_", MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:135:55: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(txtResultsFilename, "dnsmap_", MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:136:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(txtResultsFilename, argv[1], MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:136:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(txtResultsFilename, argv[1], MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:137:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant character. strncat(txtResultsFilename, "_", MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:137:49: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(txtResultsFilename, "_", MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:138:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(txtResultsFilename, timestampBuf, MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:138:58: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(txtResultsFilename, timestampBuf, MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:140:15: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). for(l=0;l<strlen(txtResultsFilename);++l) data/dnsmap-0.35/src/dnsmap.c:143:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(txtResultsFilename, ".txt", MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:143:52: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(txtResultsFilename, ".txt", MAXSTRSIZE-strlen(txtResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:156:4: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(csvResultsFilename, argv[(i+1)], MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:156:56: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncpy(csvResultsFilename, argv[(i+1)], MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:159:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(csvResultsFilename, "dnsmap_", MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:159:55: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(csvResultsFilename, "dnsmap_", MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:160:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(csvResultsFilename, argv[1], MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:160:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(csvResultsFilename, argv[1], MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:161:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant character. strncat(csvResultsFilename, "_", MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:161:49: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(csvResultsFilename, "_", MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:162:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(csvResultsFilename, timestampBuf, MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:162:58: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(csvResultsFilename, timestampBuf, MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:164:15: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). for(l=0;l<strlen(csvResultsFilename);++l) data/dnsmap-0.35/src/dnsmap.c:167:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(csvResultsFilename, ".csv", MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:167:52: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(csvResultsFilename, ".csv", MAXSTRSIZE-strlen(csvResultsFilename)-1); data/dnsmap-0.35/src/dnsmap.c:179:4: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(wordlistFilename, argv[(i+1)],MAXSTRSIZE); data/dnsmap-0.35/src/dnsmap.c:203:30: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). if(strlen(strP)<INET_ADDRSTRLEN) { data/dnsmap-0.35/src/dnsmap.c:204:35: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(filterIPs[j],strP,INET_ADDRSTRLEN); data/dnsmap-0.35/src/dnsmap.c:238:4: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(dom,sub[i],MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:238:34: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncpy(dom,sub[i],MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:239:4: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant character. strncat(dom,".",MAXSTRSIZE-strlen(dom)-1);//TEST data/dnsmap-0.35/src/dnsmap.c:239:31: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(dom,".",MAXSTRSIZE-strlen(dom)-1);//TEST data/dnsmap-0.35/src/dnsmap.c:240:4: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(dom,argv[1],MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:240:35: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(dom,argv[1],MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:388:15: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). for(i=0;i<strlen(dom);++i) data/dnsmap-0.35/src/dnsmap.c:390:8: [1] (buffer) fscanf: It's unclear if the %s limit in the format string is small enough (CWE-120). Check that the limit is sufficiently small, or use a different input function. if(fscanf(fpWords,"%100s",dom)) {}; // wordlist subdomain not allowed to be more than 100 chars data/dnsmap-0.35/src/dnsmap.c:392:34: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). printf("lengh of dom: %d\n",strlen(dom)); data/dnsmap-0.35/src/dnsmap.c:394:26: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant character. strncat(dom,".",MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:394:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(dom,".",MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:395:26: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(dom,argv[1],MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:395:57: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(dom,argv[1],MAXSTRSIZE-strlen(dom)-1); data/dnsmap-0.35/src/dnsmap.c:559:25: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:559:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncpy(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:561:25: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:561:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:563:2: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant character. strncat(s,".",MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:563:27: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s,".",MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:564:2: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(s, dom,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:564:28: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s, dom,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:596:2: [1] (obsolete) usleep: This C routine is considered obsolete (as opposed to the shell command by the same name). The interaction of this function with SIGALRM and other timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead. usleep(maxmillisecs*1000); data/dnsmap-0.35/src/dnsmap.c:610:15: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). size_t len = strlen(ip); data/dnsmap-0.35/src/dnsmap.c:654:5: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). if(strlen(d)<4) // smallest possible domain provided. e.g. a.pl data/dnsmap-0.35/src/dnsmap.c:665:32: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). printf("tld\'s length: %d\n",strlen(tld)); data/dnsmap-0.35/src/dnsmap.c:668:6: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). if((strlen(tld)<2) || (strlen(tld)>6)) // tld must be between 2-6 char. e.g. .museum, .uk data/dnsmap-0.35/src/dnsmap.c:668:25: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). if((strlen(tld)<2) || (strlen(tld)>6)) // tld must be between 2-6 char. e.g. .museum, .uk data/dnsmap-0.35/src/dnsmap.c:672:8: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). len = strlen(d); data/dnsmap-0.35/src/dnsmap.c:694:25: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:694:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncpy(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:696:25: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:696:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:698:2: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant character. strncat(s,".",MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:698:27: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s,".",MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:699:2: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(s, d,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:699:26: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s, d,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:769:25: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:769:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncpy(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:771:25: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:771:53: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s,strTmp,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:773:2: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant character. strncat(s,".",MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:773:27: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s,".",MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:774:2: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(s, dummyLTD,MAXSTRSIZE-strlen(s)-1); data/dnsmap-0.35/src/dnsmap.c:774:33: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). strncat(s, dummyLTD,MAXSTRSIZE-strlen(s)-1); ANALYSIS SUMMARY: Hits = 115 Lines analyzed = 1845 in approximately 0.06 seconds (31224 lines/second) Physical Source Lines of Code (SLOC) = 1656 Hits@level = [0] 78 [1] 74 [2] 17 [3] 4 [4] 20 [5] 0 Hits@level+ = [0+] 193 [1+] 115 [2+] 41 [3+] 24 [4+] 20 [5+] 0 Hits/KSLOC@level+ = [0+] 116.546 [1+] 69.4444 [2+] 24.7585 [3+] 14.4928 [4+] 12.0773 [5+] 0 Dot directories skipped = 2 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.