CVE-2012-2947
asterisk - denial of service
EPSS 4.3%
Description
chan_iax2.c in the IAX2 channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1, when a certain mohinterpret setting is enabled, allows remote attackers to cause a denial of service (daemon crash) by placing a call on hold.
How to fix CVE-2012-2947
To remediate CVE-2012-2947, upgrade the affected package to a fixed version below.
- Debian/asterisk—upgrade to 1:1.8.13.0~dfsg-1 or later
- Debian/asterisk—upgrade to 1:1.6.2.9-2+squeeze6 or later
Is CVE-2012-2947 being exploited?
Low — EPSS is 4.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:1.8.13.0~dfsg-1
- from 0, < 1:1.6.2.9-2+squeeze6