Integer overflow in Digium Asterisk
CVE-2016-2316
chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater…
EPSS: 0.011 (78.3th 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
- Digium Asterisk — versions 1.8.0, 1.8.1, 1.8.1.1
- Digium Certified_asterisk — versions 1.8.28, 11.6, 11.6.0
- Fedoraproject Fedora — versions 22, 23
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 82651 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
- 1034930 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
- FEDORA-2016-3cc13611f4 (x_refsource_FEDORA, vendor-advisory, Third Party Advisory)
- FEDORA-2016-153eed2bb8 (x_refsource_FEDORA, vendor-advisory, Third Party Advisory)
- DSA-3700 (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-2316?
- CVE-2016-2316 is a medium-severity vulnerability in Digium Asterisk, classified under Integer Underflow. CVSS score: 5.9/10. Published 2016-02-22.
- How severe is CVE-2016-2316?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2016-2316 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.