CVE-2009-2651 Null dereference in n/a
Remote attackers can crash Asterisk by sending malformed RTP text frames, causing a null pointer dereference and service disruption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-2651?
CVE-2009-2651 is a medium-severity vulnerability in Digium Asterisk, published on 30 Jul 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
main/rtp.c in Asterisk Open Source 1.6.1 before 1.6.1.2 allows remote attackers to cause a denial of service (crash) via an RTP text frame without a certain delimiter, which triggers a NULL pointer dereference and the subsequent calculation of an invalid pointer.
Weakness: CWE-399
Which versions are affected by CVE-2009-2651?
It affects 1 product.
Products include Digium Asterisk.
How do I fix CVE-2009-2651?
Upgrade to a fixed version.
Is CVE-2009-2651 being exploited?
There is no known exploitation of CVE-2009-2651 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as DEBIAN-CVE-2009-2651, GHSA-jqc4-44qp-7w9w.