CVE-2014-8414 Denial of service in n/a
Remote attackers can cause denial of service in Asterisk ConfBridge by delaying state transitions, leading to channel hangs and memory consumption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-8414?
CVE-2014-8414 is a medium-severity denial of service vulnerability in Digium Asterisk, published on 24 Nov 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ConfBridge in Asterisk 11.x before 11.14.1 and Certified Asterisk 11.6 before 11.6-cert8 does not properly handle state changes, which allows remote attackers to cause a denial of service (channel hang and memory consumption) by causing transitions to be delayed, which triggers a state change from hung up to waiting for media.
Weakness: CWE-399
Which versions are affected by CVE-2014-8414?
It affects 2 products.
Products include Digium Asterisk, Digium Certified Asterisk.
How do I fix CVE-2014-8414?
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-2014-8414 being exploited?
There is no known exploitation of CVE-2014-8414 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as DEBIAN-CVE-2014-8414, GHSA-2mc6-x8h4-86rp.