CVE-2011-1174 Denial of service in n/a
Remote attackers can cause denial of service in Asterisk PBX by sending invalid data through manager sessions, consuming CPU and memory resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1174?
CVE-2011-1174 is a medium-severity denial of service vulnerability in Digium Asterisk, published on 31 Mar 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
manager.c in Asterisk Open Source 1.6.1.x before 1.6.1.24, 1.6.2.x before 1.6.2.17.2, and 1.8.x before 1.8.3.2 allows remote attackers to cause a denial of service (CPU and memory consumption) via a series of manager sessions involving invalid data.
Weakness: CWE-399
Which versions are affected by CVE-2011-1174?
It affects 1 product.
Products include Digium Asterisk.
How do I fix CVE-2011-1174?
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-2011-1174 being exploited?
There is no known exploitation of CVE-2011-1174 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as DEBIAN-CVE-2011-1174, GHSA-j5wq-5rfm-xx8g.