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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.047 (91.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Digium Asterisk
- Digium Certified Asterisk — versions 13.13.0
Weakness classification (CWE)
References
- downloads.digium.com/pub/security/AST-2017-011.html (Vendor Advisory)
- www.securityfocus.com/bid/101765 (VDB Entry, Third Party Advisory, vdb-entry)
- issues.asterisk.org/jira/browse/ASTERISK-27345 (Vendor Advisory)
- security.gentoo.org/glsa/201811-11 (vendor-advisory)
- www.debian.org/security/2017/dsa-4076 (vendor-advisory)
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.