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/cldump-0.11~dfsg/src/cl_utils.c Examining data/cldump-0.11~dfsg/src/cl_meta.c Examining data/cldump-0.11~dfsg/src/cldump.c Examining data/cldump-0.11~dfsg/src/cl_dump_meta_csv.c Examining data/cldump-0.11~dfsg/src/cl_dump_field.c Examining data/cldump-0.11~dfsg/src/cl_dump_data_csv.c Examining data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c Examining data/cldump-0.11~dfsg/src/cl_decrypt.c Examining data/cldump-0.11~dfsg/src/cl_dump_meta.c Examining data/cldump-0.11~dfsg/src/cldump.h Examining data/cldump-0.11~dfsg/src/cl_dump_data_sql.c Examining data/cldump-0.11~dfsg/src/cl_dump_data.c FINAL RESULTS: data/cldump-0.11~dfsg/src/cldump.c:210:19: [3] (buffer) getopt_long: Some older implementations do not protect against internal buffer overflows (CWE-120, CWE-20). Check implementation on installation, or limit the size of all string inputs. while ((clopt = getopt_long(argc, argv, "dDmf:cSsMnU::x:hv", clargs, &cloptind)) != -1) data/cldump-0.11~dfsg/src/cl_decrypt.c:59:14: [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). cl->data = fopen(cl->datfile, "rb"); data/cldump-0.11~dfsg/src/cl_decrypt.c:338:8: [2] (misc) open: 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). fd = open(cl->memfile, O_RDWR); data/cldump-0.11~dfsg/src/cl_decrypt.c:398:8: [2] (misc) open: 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). fd = open(cl->datfile, O_RDWR); data/cldump-0.11~dfsg/src/cl_decrypt.c:427:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(mapbase + 2, &clh->sfatr, 2); data/cldump-0.11~dfsg/src/cl_dump_data.c:41:3: [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 *rhd[8] = { data/cldump-0.11~dfsg/src/cl_dump_data_sql.c:69:3: [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 buf[512]; data/cldump-0.11~dfsg/src/cl_dump_data_sql.c:158:3: [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 *rhd[8] = { data/cldump-0.11~dfsg/src/cl_dump_meta.c:36:3: [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 *sfatr[8] = { data/cldump-0.11~dfsg/src/cl_dump_meta.c:208:3: [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 *fldtype[9] = { data/cldump-0.11~dfsg/src/cl_dump_meta.c:257:3: [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 *fldtype[9] = { data/cldump-0.11~dfsg/src/cl_dump_meta_csv.c:56:7: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(buf, clfd[i].fldname, 17); data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:44:7: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(buf, clfd[i].fldname, 17); data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:129:7: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(buf, clk[i].keyname, 17); data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:171:8: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(buf, clfd[clkp[k].fldnum - 1].fldname, 17); data/cldump-0.11~dfsg/src/cl_meta.c:160:12: [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). fk = fopen(keyfile, "rb"); data/cldump-0.11~dfsg/src/cldump.c:48:8: [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). fp = fopen(cl->memfile, "rb"); data/cldump-0.11~dfsg/src/cldump.c:269:19: [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). cl.decmode = atoi(optarg); data/cldump-0.11~dfsg/src/cldump.c:327:13: [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). cl.data = fopen(argv[optind], "rb"); data/cldump-0.11~dfsg/src/cl_dump_data_sql.c:41:7: [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((char *)buf) > 0) data/cldump-0.11~dfsg/src/cl_dump_data_sql.c:118:9: [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(buf) > 0) data/cldump-0.11~dfsg/src/cl_dump_data_sql.c:172:8: [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). cbuf[strlen(cbuf) - 4] = '\0'; data/cldump-0.11~dfsg/src/cl_dump_data_sql.c:180:19: [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(tblname); i++) data/cldump-0.11~dfsg/src/cl_dump_field.c:142:7: [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((char *)buf) > 0) data/cldump-0.11~dfsg/src/cl_dump_field.c:232:25: [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). for (obuf = cbuf; i < strlen(cbuf); obuf++) data/cldump-0.11~dfsg/src/cl_dump_field.c:242:11: [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(obuf) > 0) data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:53:23: [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 (j = 0; j < strlen((char *)pbuf); j++) data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:138:23: [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 (j = 0; j < strlen((char *)pbuf); j++) data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:180:24: [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((char *)pbuf); l++) data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:207:7: [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). buf[strlen(buf) - 4] = '\0'; data/cldump-0.11~dfsg/src/cl_dump_meta_sql.c:215:19: [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(pbuf); i++) data/cldump-0.11~dfsg/src/cl_meta.c:143:11: [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). keyfile[strlen(keyfile) - 3] = 'K'; data/cldump-0.11~dfsg/src/cl_meta.c:157:15: [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). keyfile[strlen(keyfile) - 2] = (l > 9) ? 'a' + (l - 10) : '0' + l; data/cldump-0.11~dfsg/src/cl_meta.c:158:15: [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). keyfile[strlen(keyfile) - 1] = (r > 9) ? 'a' + (r - 10) : '0' + r; data/cldump-0.11~dfsg/src/cl_utils.c:105:25: [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). memmove(p, data, strlen(data)+1); data/cldump-0.11~dfsg/src/cl_utils.c:126:9: [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(data); data/cldump-0.11~dfsg/src/cldump.c:44:15: [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). cl->memfile[strlen(cl->memfile) - 1] = 'M'; data/cldump-0.11~dfsg/src/cldump.c:45:15: [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). cl->memfile[strlen(cl->memfile) - 2] = 'E'; data/cldump-0.11~dfsg/src/cldump.c:46:15: [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). cl->memfile[strlen(cl->memfile) - 3] = 'M'; data/cldump-0.11~dfsg/src/cldump.c:224:10: [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(optarg) > 1) ANALYSIS SUMMARY: Hits = 40 Lines analyzed = 3114 in approximately 0.13 seconds (23658 lines/second) Physical Source Lines of Code (SLOC) = 2267 Hits@level = [0] 307 [1] 21 [2] 18 [3] 1 [4] 0 [5] 0 Hits@level+ = [0+] 347 [1+] 40 [2+] 19 [3+] 1 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 153.066 [1+] 17.6445 [2+] 8.38112 [3+] 0.441112 [4+] 0 [5+] 0 Dot directories skipped = 1 (--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.