CVE-2017-17664 Denial of service in n/a
Remote attackers can crash the Asterisk RTCP stack by sending specific compound RTCP 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-2017-17664?
CVE-2017-17664 is a medium-severity denial of service vulnerability in Digium Asterisk, published on 13 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Remote Crash issue was discovered in Asterisk Open Source 13.x before 13.18.4, 14.x before 14.7.4, and 15.x before 15.1.4 and Certified Asterisk before 13.13-cert9. Certain compound RTCP packets cause a crash in the RTCP Stack.
Weakness: CWE-119
Which versions are affected by CVE-2017-17664?
It affects 2 products.
Products include Digium Asterisk, Digium Certified Asterisk.
How do I fix CVE-2017-17664?
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-2017-17664 being exploited?
There is no known exploitation of CVE-2017-17664 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as DEBIAN-CVE-2017-17664, GHSA-v98f-vhv3-8x27, UBUNTU-CVE-2017-17664.