CVE-2007-4280 Denial of service in n/a

Low 3.5 Published 9 Aug 2007 Updated 7 Aug 2024

Remote authenticated users can crash the Asterisk PBX application by sending a malformed Skinny protocol packet with an oversized capabilities count.

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

What is CVE-2007-4280?

CVE-2007-4280 is a low-severity denial of service vulnerability in n/a, published on 9 Aug 2007. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Skinny channel driver (chan_skinny) in Asterisk Open Source before 1.4.10, AsteriskNOW before beta7, Appliance Developer Kit before 0.7.0, and Appliance s800i before 1.0.3 allows remote authenticated users to cause a denial of service (application crash) via a CAPABILITIES_RES_MESSAGE packet with a capabilities count larger than the capabilities_res_message array population.

Which versions are affected by CVE-2007-4280?

It affects 4 products.

Products include Asterisk Asterisk, Asterisk Asterisk Appliance Developer Kit, Asterisk Asterisknow, Asterisk S800i.

How do I fix CVE-2007-4280?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2007-4280 being exploited?

There is no known exploitation of CVE-2007-4280 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2007-4280, GHSA-3p5p-863p-q64f.