Heap-based buffer overflow in Perl - CVE-2012-5195

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Main Vulnerability Database Vulnerabilities #VU32721

Heap-based buffer overflow in Perl - CVE-2012-5195

Published: December 18, 2012 / Updated: December 21, 2022


Vulnerability identifier: #VU32721
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-5195
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5. A remote attacker can use the to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Perl
perl (Alpine package)

How to mitigate CVE-2012-5195

Install update from vendor's website.

Perl - addressed in versions 5.12.5, 5.14.3, 5.15.5
perl (Alpine package) - update to 5.12.5-r0

External References

Related Security Bulletins