CVE-2012-2948 Null dereference in n/a
Remote authenticated users can crash the Asterisk PBX daemon by closing a Skinny connection in off-hook mode, causing a denial of service.
- 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-2012-2948?
CVE-2012-2948 is a medium-severity vulnerability in n/a, published on 2 Jun 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode.
Weakness: CWE-399
Which versions are affected by CVE-2012-2948?
It affects 3 products.
Products include Asterisk Certified Asterisk, Asterisk Open Source, Sangoma Asterisk.
How do I fix CVE-2012-2948?
Upgrade to a fixed version.
Is CVE-2012-2948 being exploited?
There is no known exploitation of CVE-2012-2948 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2012-2948, GHSA-chr5-w9ff-5gcw.