CVE-2022-37325 Memory corruption in n/a
A malformed H.323 message can cause a crash in Asterisk, leading to denial of service for the PBX system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-37325?
CVE-2022-37325 is a high-severity memory corruption vulnerability in n/a, published on 5 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Sangoma Asterisk through 16.28.0, 17.x and 18.x through 18.14.0, and 19.x through 19.6.0, an incoming Setup message to addons/ooh323c/src/ooq931.c with a malformed Calling or Called Party IE can cause a crash.
Weakness: CWE-787
Which versions are affected by CVE-2022-37325?
It affects 1 product.
Products include Sangoma Asterisk.
How do I fix CVE-2022-37325?
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-2022-37325 being exploited?
There is no known exploitation of CVE-2022-37325 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2024-57520 Path traversal in n/a
- CVE-2025-47779 Using malformed From header can forge identity with ";" or NULL in name portion
- CVE-2025-57767 Asterisk can crash from a specifically malformed Authorization header in an incoming SIP request
- CVE-2025-1131 Asterisk Unsafe Shell Sourcing in safe_asterisk Leads to Local Privilege Escalation
- CVE-2025-54995 Asterisk remotely exploitable leak of RTP UDP ports and internal resources
Sources
Also known as ALPINE-CVE-2022-37325, DEBIAN-CVE-2022-37325, GHSA-m52q-h2w3-62w3, UBUNTU-CVE-2022-37325.