Vulnerability in Digium Asterisk
CVE-2012-3863
channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.
EPSS: 0.032 (86.8th percentile) — read the EPSS interpretation.
Affected products
- Digium Asterisk — versions 1.8.0, 1.8.1, 1.8.1.1
- Digium Asterisk_business_edition — versions c.3.1, c.3.3, c.3.7.4
- Digium Asteriske — versions 1.8.8.0, 1.8.9.1
- Digium Certified_asterisk — versions 1.8.11
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM)