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/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.H Examining data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_io.C Examining data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C Examining data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_io.H Examining data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_2_bmp.C Examining data/phipack-0.0.20160614/src/queue.c Examining data/phipack-0.0.20160614/src/stats.h Examining data/phipack-0.0.20160614/src/maxChi.h Examining data/phipack-0.0.20160614/src/normal.h Examining data/phipack-0.0.20160614/src/misc.h Examining data/phipack-0.0.20160614/src/normal.c Examining data/phipack-0.0.20160614/src/seqManip.h Examining data/phipack-0.0.20160614/src/global.h Examining data/phipack-0.0.20160614/src/options.h Examining data/phipack-0.0.20160614/src/profile_options.h Examining data/phipack-0.0.20160614/src/graphCode.c Examining data/phipack-0.0.20160614/src/maxChi.c Examining data/phipack-0.0.20160614/src/phylip.h Examining data/phipack-0.0.20160614/src/fasta.h Examining data/phipack-0.0.20160614/src/queue.h Examining data/phipack-0.0.20160614/src/pairScore.h Examining data/phipack-0.0.20160614/src/pairScore.c Examining data/phipack-0.0.20160614/src/graphCode.h Examining data/phipack-0.0.20160614/src/mem.h Examining data/phipack-0.0.20160614/src/stats.c Examining data/phipack-0.0.20160614/src/fasta.c Examining data/phipack-0.0.20160614/src/global.c Examining data/phipack-0.0.20160614/src/main.c Examining data/phipack-0.0.20160614/src/mem.c Examining data/phipack-0.0.20160614/src/misc.c Examining data/phipack-0.0.20160614/src/phylip.c Examining data/phipack-0.0.20160614/src/profile.c Examining data/phipack-0.0.20160614/src/seqManip.c FINAL RESULTS: data/phipack-0.0.20160614/src/fasta.c:187:7: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(s,"Could not open file %s",file_name); data/phipack-0.0.20160614/src/fasta.c:260:2: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(s,"Number of sites read does not match number of sites expected for seq %s",(*taxa_names)[i]); data/phipack-0.0.20160614/src/mem.c:90:7: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(s,"Could not open file %s",name); data/phipack-0.0.20160614/src/phylip.c:221:7: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(s,"Could not open file %s",file_name); data/phipack-0.0.20160614/src/phylip.c:290:2: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(s,"Number of sites read does not match number of sites expected for seq %s",(*taxa_names)[cur_seq]); data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_2_bmp.C:84:5: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy ( file_in_name, argv[1] ); data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_2_bmp.C:106:5: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy ( file_out_name, argv[2] ); data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_io.C:462:15: [4] (buffer) sscanf: The scanf() family's %s operation, without a limit specification, permits buffer overflows (CWE-120, CWE-20). Specify a limit to %s, or use a different input function. count = sscanf ( next, "%s%n", word, &width ); data/phipack-0.0.20160614/src/main.c:324:3: [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/phipack-0.0.20160614/src/profile.c:300:3: [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/phipack-0.0.20160614/src/fasta.c:101:3: [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 s[250]; data/phipack-0.0.20160614/src/fasta.c:131:5: [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(s,"Illegal state encountered: %c\n",ch); data/phipack-0.0.20160614/src/fasta.c:171:3: [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 s[250]; data/phipack-0.0.20160614/src/fasta.c:184:11: [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). in_file=fopen(file_name,"r"); data/phipack-0.0.20160614/src/graphCode.c:262:12: [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). out_file=fopen("profile.ppm","w"); data/phipack-0.0.20160614/src/graphCode.c:454:12: [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). out_file=fopen("matrix.ppm","w"); data/phipack-0.0.20160614/src/main.c:76:3: [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 temp[MAX_SIZE+1]; data/phipack-0.0.20160614/src/main.c:205:18: [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). opt->ntrials=atoi(temp); data/phipack-0.0.20160614/src/main.c:227:22: [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). opt->breakWindow=atoi(temp); data/phipack-0.0.20160614/src/mem.c:84:3: [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 s[MAX_SIZE+1]; data/phipack-0.0.20160614/src/mem.c:86:5: [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). f=fopen(name,mod); data/phipack-0.0.20160614/src/mem.c:100:3: [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 s[MAX_SIZE+1]; data/phipack-0.0.20160614/src/mem.c:106:7: [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(s,"Could not close file hanlde "); data/phipack-0.0.20160614/src/options.h:26:3: [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 seqFile[MAX_SIZE+1]; data/phipack-0.0.20160614/src/phylip.c:133:3: [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 s[250]; data/phipack-0.0.20160614/src/phylip.c:154:8: [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(s,"Illegal state encountered: %c\n",ch); data/phipack-0.0.20160614/src/phylip.c:177:4: [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(s,"Seems like too many bases in seq %d.\nMake sure file is in Phylip file format.\nTry also using the strict and relaxed options (-s and -r)",(index+1)); data/phipack-0.0.20160614/src/phylip.c:210:3: [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 s[250]; data/phipack-0.0.20160614/src/phylip.c:218:11: [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). in_file=fopen(file_name,"r"); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:1538:11: [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). file_in.open ( file_in_name, ios::in | ios::binary ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:1752:11: [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). file_in.open ( file_in_name, ios::in | ios::binary ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:2053:12: [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). file_out.open ( file_out_name, ios::out | ios::binary ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:2304:12: [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). file_out.open ( file_out_name, ios::out | ios::binary ); data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_2_bmp.C:53:3: [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 file_in_name[80]; data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_2_bmp.C:54:3: [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 file_out_name[80]; data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_2_bmp.C:361:10: [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. static char time_buffer[TIME_SIZE]; data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_io.C:287:11: [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). file_in.open ( file_in_name ); data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_io.C:433:3: [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 line[255]; data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_io.C:437:3: [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 word[255]; data/phipack-0.0.20160614/src/ppma_2_bmp/ppma_io.C:654:12: [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). file_out.open ( file_out_name ); data/phipack-0.0.20160614/src/profile.c:76:3: [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 temp[MAX_SIZE+1]; data/phipack-0.0.20160614/src/profile.c:194:25: [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). opt->breakWindow=atoi(temp); data/phipack-0.0.20160614/src/profile.c:201:22: [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). opt->stepSize=atoi(temp); data/phipack-0.0.20160614/src/profile_options.h:26:3: [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 seqFile[MAX_SIZE+1]; data/phipack-0.0.20160614/src/seqManip.c:194:3: [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 s[MAX_SIZE+1]; data/phipack-0.0.20160614/src/seqManip.c:203:8: [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(s,"Error %c (%d) is not a valid state for this type of sequence\n",ch+CHAR_START,(int)ch+CHAR_START); data/phipack-0.0.20160614/src/seqManip.c:259:3: [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 s[250]; data/phipack-0.0.20160614/src/seqManip.c:303:8: [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(s,"Invalid state %c\n",(char_A+CHAR_START)); data/phipack-0.0.20160614/src/fasta.c:41:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/fasta.c:45:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/fasta.c:51:10: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/fasta.c:103:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/fasta.c:145:10: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:51:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:53:8: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:66:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:68:8: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:81:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:83:8: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:95:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/misc.c:97:8: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/phylip.c:36:10: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/phylip.c:59:10: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/phylip.c:65:12: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). next_ch=fgetc(in_file); data/phipack-0.0.20160614/src/phylip.c:135:6: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/phylip.c:168:10: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch=fgetc(in_file); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:154:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:176:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:365:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:381:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:397:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:419:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:1324:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:1339:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:1354:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:1369:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:2771:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:2778:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:2787:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); data/phipack-0.0.20160614/src/ppma_2_bmp/bmp_io.C:2794:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). file_in.read ( &c, 1 ); ANALYSIS SUMMARY: Hits = 80 Lines analyzed = 8803 in approximately 0.20 seconds (43492 lines/second) Physical Source Lines of Code (SLOC) = 4742 Hits@level = [0] 217 [1] 32 [2] 38 [3] 2 [4] 8 [5] 0 Hits@level+ = [0+] 297 [1+] 80 [2+] 48 [3+] 10 [4+] 8 [5+] 0 Hits/KSLOC@level+ = [0+] 62.6318 [1+] 16.8705 [2+] 10.1223 [3+] 2.10881 [4+] 1.68705 [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.