CVE-2008-4551 Null dereference in n/a

Medium 5.0 Published 14 Oct 2008 Updated 7 Aug 2024

Remote attackers can crash the strongSwan daemon by sending a crafted IKE_SA_INIT message, causing a denial of service.

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

What is CVE-2008-4551?

CVE-2008-4551 is a medium-severity vulnerability in n/a, published on 14 Oct 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).

Weakness: CWE-399

Which versions are affected by CVE-2008-4551?

It affects 1 product.

Products include Strongswan Strongswan.

How do I fix CVE-2008-4551?

Upgrade to a fixed version.

Is CVE-2008-4551 being exploited?

There is no known exploitation of CVE-2008-4551 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2008-4551, GHSA-q36r-q874-43q3.