CVE-2012-2947: Low severity Debian Debian Linux vulnerability
chaniax2.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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-2947?
CVE-2012-2947 has been classified as a denial of service vulnerability, which can cause the Asterisk daemon to crash.
How do I fix CVE-2012-2947?
To resolve CVE-2012-2947, you should upgrade to Asterisk version 1.8.11-cert2 or later, or any version from 1.8.12.1 or 10.4.1 onwards.
Which versions of Asterisk are affected by CVE-2012-2947?
CVE-2012-2947 affects Asterisk certified versions before 1.8.11-cert2, Asterisk Open Source versions before 1.8.12.1, and 10.x versions before 10.4.1.
What conditions lead to the exploitation of CVE-2012-2947?
CVE-2012-2947 can be exploited when the 'mohinterpret' setting is enabled, allowing attackers to trigger the daemon crash by placing calls.
Is CVE-2012-2947 specific to any operating system?
CVE-2012-2947 primarily impacts Asterisk installations but can affect any operating system running the vulnerable versions, including Debian Linux.