Vulnerability in Digium Asterisk

CVE-2017-16672

An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. A memory leak occurs when an Asterisk pjsip session object is created and that call gets rejected before the session itself is fully established. When this happens the session object never gets destroyed. Eventually Asterisk can run out of memory and crash.

EPSS: 0.047 (90.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-16672?
CVE-2017-16672 is a medium-severity vulnerability in Digium Asterisk, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.9/10. Published 2017-11-09.
How severe is CVE-2017-16672?
Medium severity. CVSS v3 base score is 5.9 out of 10.