CVE-2019-15639 Denial of service in n/a
A remote attacker can crash the Asterisk PBX by sending a specific RTP packet during a call, 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-2019-15639?
CVE-2019-15639 is a high-severity denial of service vulnerability in Digium Asterisk, published on 9 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
main/translate.c in Sangoma Asterisk 13.28.0 and 16.5.0 allows a remote attacker to send a specific RTP packet during a call and cause a crash in a specific scenario.
Weakness: CWE-20
Which versions are affected by CVE-2019-15639?
It affects 1 product.
Products include Digium Asterisk.
How do I fix CVE-2019-15639?
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-2019-15639 being exploited?
There is no known exploitation of CVE-2019-15639 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as ALPINE-CVE-2019-15639, GHSA-2vj6-p9c5-8h3v.