CVE-2014-6610 Denial of service in n/a
Remote authenticated users can crash Asterisk via malformed fax messages when the spandsp module is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-6610?
CVE-2014-6610 is a medium-severity denial of service vulnerability in Digium Asterisk, published on 26 Nov 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Asterisk Open Source 11.x before 11.12.1 and 12.x before 12.5.1 and Certified Asterisk 11.6 before 11.6-cert6, when using the res_fax_spandsp module, allows remote authenticated users to cause a denial of service (crash) via an out of call message, which is not properly handled in the ReceiveFax dialplan application.
Weakness: CWE-19
Which versions are affected by CVE-2014-6610?
It affects 2 products.
Products include Digium Asterisk, Digium Certified Asterisk.
How do I fix CVE-2014-6610?
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-2014-6610 being exploited?
There is no known exploitation of CVE-2014-6610 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as DEBIAN-CVE-2014-6610, GHSA-f9gh-gm49-v657, MGASA-2014-0490.