SEI CERT C Coding Standard

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Writing sensitive data to disk preserves it for future retrieval by an attacker, who may even be able to bypass the access restrictions of the operating system by using a disk maintenance program.

Recommendation

Severity

Likelihood

Remediation Cost

Priority

Level

MEM06-C

Medium

Unlikely

High

P2

L3

Automated Detection

Tool

Version

Checker

Description

Polyspace Bug Finder
R2016a

Sensitive data printed out

Function prints sensitive data

Include Page
Polyspace Bug Finder_V
Polyspace Bug Finder_V

CERT C: Rec. MEM06-C

Checks for sensitive data printed out (rec. partially covered)

Related Vulnerabilities

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

Related Guidelines

SEI CERT C++ Coding StandardVOID MEM06-CPP. Ensure that sensitive data is not written out to disk
ISO/IEC TR 24772:2013Memory Locking [XZX]
MITRE CWECWE-591, Sensitive data storage in improperly locked memory
CWE-528, Information leak through core dump files

Bibliography

[IEEE Std 1003.1:2013]XSH, System Interface, mlock
XSH, System Interface, setrlimit
[Wheeler 2003]Section 7.14
Section 11.4

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