Q
Detector Library
C detectors (34/34)
Logging of sensitive informationInsecure Use Of ChrootDeadlock And Lock InconsistencyUnsafe File ExtensionOS command injectionIncorrect Use Of FreeUse Of Uninitialized VariableInsecure Use strcat fnSQL injectionBitwise Operator On Signed OperandInsecure use gets fnRandom fd exhaustionRedundant Free UsageInsecure Use MemsetDivide By Zero.Return Stack AddressUnchecked Return ValueIncorrect Format SpecifierUnhandled Expression ResultPath traversalImproper Input ValidationOut Of Bounds ReadInteger OverflowInsecure use strtok functionImproper size of a memory bufferincomplete-cleanupNull pointer dereferenceInsecure Temporary File Or DirectoryInsecure Buffer AccessIncorrect Use Ato FnLoose File PermissionsExposure of Sensitive InformationOut-of-bounds WriteString Equality
Insecure use strtok function High
strtok() modifies the original string by replacing delimiters with \0, this can cause unintended consequences and security issues.
Detector ID
c/insecure-use-strtok-fn@v1.0
Category
Common Weakness Enumeration (CWE) 
Tags
-
Noncompliant example
1#include <string.h>
2
3// Noncompliant: Insecure - Alter static literal
4void insecureUseStrtokNonCompliant() {
5 char *static_str = "message,token";
6 strtok(static_str, ",");
7}
Compliant example
1#include <string.h>
2
3// Compliant: Secure - Copy first
4int insecureUseStrtokCompliant() {
5 char *static_str = "message,token";
6 char copy[128];
7 strsep_s(©, ",", 128);
8}