SB2012111108 - Heap-based buffer overflow in libproxy

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Main Vulnerability Database SB2012111108

SB2012111108 - Heap-based buffer overflow in libproxy

Published: November 11, 2012 Updated: December 5, 2020

Security Bulletin ID SB2012111108
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2012-4505)

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

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the px_pac_reload function in lib/pac.c in libproxy 0.2.x and 0.3.x. A remote attacker can use a crafted Content-Length size in an HTTP response header for a proxy.pac file request 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.


Remediation

Install update from vendor's website.

References