CVE-2012-3863
EPSS 7.2%
Description
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.
How to fix CVE-2012-3863
To remediate CVE-2012-3863, upgrade the affected package to a fixed version below.
- Debian/asterisk—upgrade to 1:1.8.13.1~dfsg-1 or later
Is CVE-2012-3863 being exploited?
Moderate — EPSS is 7.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 1:1.8.13.1~dfsg-1