CVE-2019-12827 Memory corruption in n/a
Remote authenticated users can crash Asterisk by sending a specially crafted SIP MESSAGE message due to a buffer overflow.
- 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-2019-12827?
CVE-2019-12827 is a medium-severity memory corruption vulnerability in Digium Asterisk, published on 12 Jul 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.
Weakness: CWE-787
Which versions are affected by CVE-2019-12827?
It affects 2 products.
Products include Digium Asterisk, Digium Certified Asterisk.
How do I fix CVE-2019-12827?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-12827 being exploited?
There is no known exploitation of CVE-2019-12827 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as ALPINE-CVE-2019-12827, DEBIAN-CVE-2019-12827, GHSA-3x27-45gw-9p39, UBUNTU-CVE-2019-12827.