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CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
C and C++
Binaries

BADFUNC.BO.STRCATCHAINW : Use of StrCatChainW

Summary

A use of StrCatChainW(), which can lead to buffer overflows.

Properties

Class Name Use of StrCatChainW
Significance security
Mnemonic BADFUNC.BO.STRCATCHAINW
Categories
AUTOSARC++14 AUTOSARC++14:A5-2-5 An array or container shall not be accessed beyond its range.
CWE CWE:120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  CWE:676 Use of Potentially Dangerous Function
CERT-C CERT-C:API02-C Functions that read or write to or from an array should take an argument to specify the source or target size
  CERT-C:STR07-C Use the bounds-checking interfaces for string manipulation
  CERT-C:STR31-C Guarantee that storage for strings has sufficient space for character data and the null terminator
CERT-CPP CERT-CPP:CTR52-CPP Guarantee that library functions do not overflow
DISA-6r1 DISA-6r1:V-222612 The application must not be vulnerable to overflow attacks.
DISA-5r3 DISA-5r3:V-70277 The application must not be vulnerable to overflow attacks.
DISA-4r3 DISA-4r3:V-70277 The application must not be vulnerable to overflow attacks.
DISA-3r10 DISA-3r10:V-6165 The designer will ensure the application does not have buffer overflows, use functions known to be vulnerable to buffer overflows, and does not use signed values for memory allocation where permitted by the programming language.
BSI BSI:StrCatChainW Use of StrCatChainW
OWASP-2021 OWASP-2021:A4 Insecure design
OWASP-2025 OWASP-2025:A06 Insecure Design
Availability Available for C and C++.
Enabling Checks for this warning class are disabled by default. To enable them, add the following WARNING_FILTER rule to the project configuration file. 
WARNING_FILTER += allow class="Use of StrCatChainW"
To enable all BSI-related classes, including all BSI-specific BADFUNC classes, use the bsi configuration preset.

Resolution

Use StringCbCatEx() or StringCchCatEx() instead.

Relevant Configuration File Parameters

This class is implemented using a BAD_FUNCTION_* rule set in the general template configuration file.

The following configuration file parameters affect checks for this warning class.

 

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