CVE-2009-4413 Integer overflow in n/a

Medium 5.0 Published Updated

Remote attackers can crash the Polipo proxy server by sending a request with a large Content-Length value, causing an integer overflow and segmentation fault.

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

What is CVE-2009-4413?

CVE-2009-4413 is a medium-severity vulnerability in n/a, published on 24 Dec 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.

Weakness: CWE-189

Which versions are affected by CVE-2009-4413?

It affects 1 product.

Products include Pps.jussieu Polipo.

How do I fix CVE-2009-4413?

Upgrade to a fixed version.

Is CVE-2009-4413 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-4413 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-739g-q9wv-464j.

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