CVE-2007-3764 Denial of service in n/a
Remote attackers can crash Asterisk PBX via crafted Skinny protocol packets causing memory corruption, requiring immediate software upgrades.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-3764?
CVE-2007-3764 is a medium-severity denial of service vulnerability in n/a, published on 18 Jul 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Skinny channel driver (chan_skinny) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a certain data length value in a crafted packet, which results in an "overly large memcpy."
Which versions are affected by CVE-2007-3764?
It affects 4 products.
Products include Asterisk Asterisk, Asterisk Asterisk Appliance Developer Kit, Asterisk Asterisknow, Asterisk S800i Appliance.
How do I fix CVE-2007-3764?
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-2007-3764 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-3764 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2007-3764, GHSA-c8c6-m3x8-7cq5.