Buffer overflow in Sangoma Asterisk

CVE-2022-37325

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.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-37325?
CVE-2022-37325 is a high-severity vulnerability in Sangoma Asterisk, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-12-05.
How severe is CVE-2022-37325?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-37325 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.