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/dashel-1.3.3/dashel/dashel-private.h Examining data/dashel-1.3.3/dashel/dashel-posix.h Examining data/dashel-1.3.3/dashel/dashel.h Examining data/dashel-1.3.3/dashel/poll_emu.h Examining data/dashel-1.3.3/dashel/dashel-common.cpp Examining data/dashel-1.3.3/dashel/dashel-win32.cpp Examining data/dashel-1.3.3/dashel/poll_emu.c Examining data/dashel-1.3.3/dashel/dashel-posix.cpp Examining data/dashel-1.3.3/examples/portlist.cpp Examining data/dashel-1.3.3/examples/dws.cpp Examining data/dashel-1.3.3/examples/microterm.cpp Examining data/dashel-1.3.3/examples/reconnect.cpp Examining data/dashel-1.3.3/examples/chat.cpp Examining data/dashel-1.3.3/examples/udp.cpp FINAL RESULTS: data/dashel-1.3.3/dashel/dashel-win32.cpp:166:5: [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(dcn, co+1); data/dashel-1.3.3/dashel/dashel-common.cpp:88:3: [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(_data + _pos, (unsigned char *)data, size); data/dashel-1.3.3/dashel/dashel-posix.cpp:166:5: [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 cStr[255]; data/dashel-1.3.3/dashel/dashel-posix.cpp:339:12: [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 recvBuffer[RECV_BUFFER_SIZE]; //!< reception buffer data/dashel-1.3.3/dashel/dashel-posix.cpp:526:5: [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(ptr, recvBuffer + recvBufferPos, toCopy); data/dashel-1.3.3/dashel/dashel-posix.cpp:743:13: [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 buf[4096]; data/dashel-1.3.3/dashel/dashel-posix.cpp:838:5: [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(ptr, recvBuffer + recvBufferPos, toCopy); data/dashel-1.3.3/dashel/dashel-posix.cpp:903:11: [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). fd = open(name.c_str(), O_RDONLY); data/dashel-1.3.3/dashel/dashel-posix.cpp:907:11: [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). fd = open(name.c_str(), O_RDWR); data/dashel-1.3.3/dashel/dashel-posix.cpp:1003:9: [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(devFileName.c_str(), O_RDWR); data/dashel-1.3.3/dashel/dashel-posix.cpp:1321:21: [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). targetName << atoi(serverStream->getTargetParameter("port").c_str()); data/dashel-1.3.3/dashel/dashel-win32.cpp:102:3: [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 sysMessage[1024] = {0}; data/dashel-1.3.3/dashel/dashel-win32.cpp:126:3: [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 dn[1024], dcn[1024]; data/dashel-1.3.3/dashel/dashel-win32.cpp:169:13: [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). int v = atoi(&dcn[3]); data/dashel-1.3.3/dashel/dashel-win32.cpp:373:12: [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). buf << atoi(getTargetParameter("port").c_str()); data/dashel-1.3.3/dashel/dashel-win32.cpp:1372:13: [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 buf[4006]; data/dashel-1.3.3/dashel/dashel-common.cpp:315:27: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). void MemoryPacketStream::read(void *data, size_t size) data/dashel-1.3.3/dashel/dashel-posix.cpp:513:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void* data, size_t size) data/dashel-1.3.3/dashel/dashel-posix.cpp:599:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void* data, size_t size) { /* hook for use by derived classes */ } data/dashel-1.3.3/dashel/dashel-posix.cpp:663:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void* data, size_t size) { /* hook for use by derived classes */ } data/dashel-1.3.3/dashel/dashel-posix.cpp:825:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void* data, size_t size) data/dashel-1.3.3/dashel/dashel-posix.cpp:846:21: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ssize_t len = ::read(fd, ptr, left); data/dashel-1.3.3/dashel/dashel-posix.cpp:868:20: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ssize_t len = ::read(fd, &recvBuffer, RECV_BUFFER_SIZE); data/dashel-1.3.3/dashel/dashel-posix.cpp:1357:25: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). const ssize_t ret = read(pollFdsArray[i].fd, &c, 1); data/dashel-1.3.3/dashel/dashel-private.h:96:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size); data/dashel-1.3.3/dashel/dashel-win32.cpp:383:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size) { /* hook for use by derived classes */ } data/dashel-1.3.3/dashel/dashel-win32.cpp:460:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size) data/dashel-1.3.3/dashel/dashel-win32.cpp:545:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size) data/dashel-1.3.3/dashel/dashel-win32.cpp:700:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size) data/dashel-1.3.3/dashel/dashel-win32.cpp:1159:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size) data/dashel-1.3.3/dashel/dashel-win32.cpp:1277:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size) { /* hook for use by derived classes */ } data/dashel-1.3.3/dashel/dashel.h:372:16: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). virtual void read(void *data, size_t size) = 0; data/dashel-1.3.3/dashel/dashel.h:379:26: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). template<typename T> T read() data/dashel-1.3.3/dashel/dashel.h:382:4: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). read(&v, sizeof(T)); data/dashel-1.3.3/examples/chat.cpp:14:11: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). stream->read(&c, 1); data/dashel-1.3.3/examples/dws.cpp:19:11: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). stream->read(&c, 1); data/dashel-1.3.3/examples/microterm.cpp:34:11: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). stream->read(&c, 1); data/dashel-1.3.3/examples/reconnect.cpp:56:20: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). char c = stream->read<char>(); data/dashel-1.3.3/examples/udp.cpp:36:18: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). packetStream->read(&c, 1); ANALYSIS SUMMARY: Hits = 39 Lines analyzed = 5191 in approximately 0.18 seconds (28225 lines/second) Physical Source Lines of Code (SLOC) = 3379 Hits@level = [0] 6 [1] 23 [2] 15 [3] 0 [4] 1 [5] 0 Hits@level+ = [0+] 45 [1+] 39 [2+] 16 [3+] 1 [4+] 1 [5+] 0 Hits/KSLOC@level+ = [0+] 13.3175 [1+] 11.5419 [2+] 4.73513 [3+] 0.295946 [4+] 0.295946 [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.