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 v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2012-5195
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Perl
Affected software:
Perl

Detailed vulnerability description

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.


How to mitigate CVE-2012-5195

Install update from vendor's website.

Sources