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/imaptool-0.9/file2pixmap.c Examining data/imaptool-0.9/file2pixmap.h Examining data/imaptool-0.9/gif_err.c Examining data/imaptool-0.9/gif_lib.h Examining data/imaptool-0.9/gif_hash.h Examining data/imaptool-0.9/dgif_lib.c Examining data/imaptool-0.9/gifalloc.c Examining data/imaptool-0.9/imaptool.c FINAL RESULTS: data/imaptool-0.9/imaptool.c:397:3: [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(PROGINFO,VERSION); data/imaptool-0.9/imaptool.c:718:7: [4] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). strcat(str, temp); data/imaptool-0.9/imaptool.c:774:3: [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(HTMLCOMMENT,VERSION); data/imaptool-0.9/imaptool.c:779:3: [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(HTMLCOMMENT,VERSION); data/imaptool-0.9/dgif_lib.c:104:23: [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). if ((FileHandle = open(FileName, O_RDONLY data/imaptool-0.9/dgif_lib.c:123:5: [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[GIF_STAMP_LEN+1]; data/imaptool-0.9/dgif_lib.c:324:2: [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(&sp->ImageDesc, &GifFile->Image, sizeof(GifImageDesc)); data/imaptool-0.9/dgif_lib.c:517:14: [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. unsigned char c[2]; data/imaptool-0.9/file2pixmap.c:39:1: [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 *postfixes[2] = {".gif", ".jpg"}; data/imaptool-0.9/file2pixmap.c:160:19: [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). if ((jpegfile = fopen(filename, "rb")) == NULL) return 0; data/imaptool-0.9/gifalloc.c:62:2: [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((char *)Object->Colors, data/imaptool-0.9/gifalloc.c:234:2: [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(ep->Bytes, ExtData, Len); data/imaptool-0.9/gifalloc.c:276:6: [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((char *)sp, CopyFrom, sizeof(SavedImage)); data/imaptool-0.9/gifalloc.c:294:6: [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(sp->RasterBits, data/imaptool-0.9/gifalloc.c:306:3: [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(sp->ExtensionBlocks, data/imaptool-0.9/imaptool.c:123:1: [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 areas[MAX_AREAS][MAX_AREA_TEXT_LEN]; data/imaptool-0.9/imaptool.c:573:3: [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 infotext[80]; data/imaptool-0.9/imaptool.c:589:5: [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(infotext, "%d,%d : %d,%d,%d,%d", event->xmotion.x, data/imaptool-0.9/imaptool.c:602:5: [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(infotext, "%d,%d : %d,%d,%d", event->xmotion.x, event->xmotion.y, data/imaptool-0.9/imaptool.c:618:5: [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(infotext, "%d,%d : %d,%d - %d,%d", event->xmotion.x, event->xmotion.y, data/imaptool-0.9/imaptool.c:646:5: [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 position[MAX_AREA_TEXT_LEN]; data/imaptool-0.9/imaptool.c:684:6: [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(str, data/imaptool-0.9/imaptool.c:689:6: [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(str, data/imaptool-0.9/imaptool.c:698:4: [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(str, "<area shape=\"circle\" coords=\"%d,%d,%d\" href=\"\">", circle.x, circle.y, circle.r); data/imaptool-0.9/imaptool.c:701:4: [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(str, "<AREA SHAPE=\"CIRCLE\" COORDS=\"%d,%d,%d\" HREF=\"\">", circle.x, circle.y, circle.r); data/imaptool-0.9/imaptool.c:707:5: [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[255]; data/imaptool-0.9/imaptool.c:711:3: [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(str, "<area shape=\"polygon\" coords=\""); data/imaptool-0.9/imaptool.c:714:3: [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(str, "<AREA SHAPE=\"POLYGON\" COORDS=\""); data/imaptool-0.9/imaptool.c:717:7: [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(temp,"%d,%d,", polygon[i].x, polygon[i].y); data/imaptool-0.9/imaptool.c:722:3: [2] (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). Risk is low because the source is a constant string. strcpy(str+strlen(str)-1, "\" href=\"\">"); data/imaptool-0.9/imaptool.c:725:3: [2] (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). Risk is low because the source is a constant string. strcpy(str+strlen(str)-1, "\" HREF=\"\">"); data/imaptool-0.9/imaptool.c:664:7: [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). strlen(position)); data/imaptool-0.9/imaptool.c:719:11: [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(str)>1020) break; data/imaptool-0.9/imaptool.c:722:14: [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). strcpy(str+strlen(str)-1, "\" href=\"\">"); data/imaptool-0.9/imaptool.c:725:14: [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). strcpy(str+strlen(str)-1, "\" HREF=\"\">"); ANALYSIS SUMMARY: Hits = 35 Lines analyzed = 2853 in approximately 0.61 seconds (4714 lines/second) Physical Source Lines of Code (SLOC) = 2119 Hits@level = [0] 40 [1] 4 [2] 27 [3] 0 [4] 4 [5] 0 Hits@level+ = [0+] 75 [1+] 35 [2+] 31 [3+] 4 [4+] 4 [5+] 0 Hits/KSLOC@level+ = [0+] 35.3941 [1+] 16.5172 [2+] 14.6295 [3+] 1.88768 [4+] 1.88768 [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.