CVE-2011-2216
EPSS 3.5%
Description
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
How to fix CVE-2011-2216
To remediate CVE-2011-2216, upgrade the affected package to a fixed version below.
- Debian/asterisk—upgrade to 1:1.8.4.2-1 or later
Is CVE-2011-2216 being exploited?
Low — EPSS is 3.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.8.4.2-1