SEI CERT C Coding Standard

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changes.mady.by.user Jill Britton

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eThe The readlink() function reads where a link points to. It makes no effort to null-terminate its second argument, buffer. Instead, it just returns the number of characters it has written.

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5033

Tool

Version

Checker

Description

Astrée
Include Page
Astrée_V
Astrée_V


Supported: Can be checked with appropriate analysis stubs.
Axivion Bauhaus Suite

Include Page
Axivion Bauhaus Suite_V
Axivion Bauhaus Suite_V

CertC-POS30
CodeSonar
Include Page
CodeSonar_V
CodeSonar_V

LANG.MEM.BO
LANG.MEM.TBA
MISC.MEM.NTERM.CSTRING

Buffer Overrun
Tainted Buffer Access
Unterminated C String

Compass/ROSE




Coverity
Include Page
Coverity_V
Coverity_V

READLINK

Implemented
Helix QAC

Include Page
Helix QAC_V
Helix QAC_V

C5033
Klocwork

Include Page
Klocwork_V
Klocwork_V

ABV.GENERAL
ABV.GENERAL.MULTIDIMENSION


Parasoft C/C++test
Include Page
Parasoft_V
Parasoft_V

CERT_C-POS30-a
CERT_C-POS30-b
CERT_C-POS30-c

Avoid overflow due to reading a not zero terminated string
The values returned by functions 'read' and 'readlink' shall be used
Use of possibly not null-terminated string with functions expecting null-terminated string

Polyspace Bug Finder

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Polyspace Bug Finder_V
Polyspace Bug Finder_V

CERT C: Rule POS30-CChecks for misuse of readlink() (rule partially covered)PRQA QA-C
Include Page
PRQA QA-C_vPRQA QA-C_v

Related Vulnerabilities

Search for vulnerabilities resulting from the violation of this rule on the CERT website.

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