CVE-2012-4504 Memory corruption in n/a

Critical 10.0 Published 11 Nov 2012 Updated 6 Aug 2024

A stack-based buffer overflow in libproxy allows remote attackers to cause denial of service or execute code via a malicious proxy.pac file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2012-4504?

CVE-2012-4504 is a critical memory corruption vulnerability in n/a, published on 11 Nov 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack-based buffer overflow in the url::get_pac function in url.cpp in libproxy 0.4.x before 0.4.9 allows remote servers to have an unspecified impact via a large proxy.pac file.

Weakness: CWE-119

Which versions are affected by CVE-2012-4504?

It affects 1 product.

Linux distribution packages (1)

libproxy openSUSE:Tumbleweed All versions 0.4.13-7.1

Products include Libproxy Project Libproxy.

How do I fix CVE-2012-4504?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2012-4504 being exploited?

There is no known exploitation of CVE-2012-4504 in the wild and no public exploit code.

Sources

Also known as GHSA-c5fx-qjrf-p783, openSUSE-SU-2024:10327-1.