CVE-2014-6609 Denial of service in n/a
Remote authenticated users can crash the Asterisk PBX by sending crafted SIP SUBSCRIBE headers, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2014-6609?
CVE-2014-6609 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
The res_pjsip_pubsub module in Asterisk Open Source 12.x before 12.5.1 allows remote authenticated users to cause a denial of service (crash) via crafted headers in a SIP SUBSCRIBE request for an event package.
Weakness: CWE-20
Which versions are affected by CVE-2014-6609?
It affects 1 product.
Products include Digium Asterisk.
How do I fix CVE-2014-6609?
No fix has been published for CVE-2014-6609 yet. Limit exposure of the affected software until one is available.
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-2014-6609 being exploited?
There is no known exploitation of CVE-2014-6609 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as GHSA-8qx4-jg42-x9gv.