CVE-2019-15297 Null dereference in n/a
An attacker can crash the Asterisk PBX by sending a declined stream in a T.38 re-invite response, causing a null pointer dereference.
- 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-2019-15297?
CVE-2019-15297 is a medium-severity vulnerability in Digium Asterisk, published on 9 Sep 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.
Weakness: CWE-476
Which versions are affected by CVE-2019-15297?
It affects 1 product.
Products include Digium Asterisk.
How do I fix CVE-2019-15297?
Upgrade to a fixed version.
Is CVE-2019-15297 being exploited?
There is no known exploitation of CVE-2019-15297 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as ALPINE-CVE-2019-15297, DEBIAN-CVE-2019-15297, GHSA-qc2g-m5w4-ffmq, UBUNTU-CVE-2019-15297.