CVE-2007-2297 Denial of service in n/a
Remote attackers can crash the Asterisk PBX by sending malformed SIP UDP packets, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-2297?
CVE-2007-2297 is a high-severity denial of service vulnerability in n/a, published on 26 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).
Which versions are affected by CVE-2007-2297?
It affects 1 product.
Products include Asterisk Asterisk.
How do I fix CVE-2007-2297?
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-2007-2297 being exploited?
There is no known exploitation of CVE-2007-2297 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2007-2297, GHSA-w3jr-jp8f-r2vr.