CVE-2012-0885 Null dereference in n/a

Medium 4.3 Published 25 Jan 2012 Updated 16 Sep 2024

Remote attackers can crash the Asterisk daemon via crafted SDP messages when SRTP is enabled with improper media configuration.

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

What is CVE-2012-0885?

CVE-2012-0885 is a medium-severity vulnerability in n/a, published on 25 Jan 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SDP message with a crypto attribute and a (1) video or (2) text media type, as demonstrated by CSipSimple.

Which versions are affected by CVE-2012-0885?

It affects 1 product.

Products include Asterisk Open Source.

How do I fix CVE-2012-0885?

Upgrade to a fixed version.

Is CVE-2012-0885 being exploited?

There is no known exploitation of CVE-2012-0885 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2012-0885, GHSA-5p63-p7g2-xmmx.