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CVE-2012-2948

Published: 02 June 2012

chan_skinny.c in the Skinny (aka SCCP) 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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode. A remote attacker with a valid SCCP ID can can use this vulnerability by closing a connection to the Asterisk server in certain call states (e.g. "Off hook") to crash the server. Successful exploitation of this vulnerability would result in termination of the server, causing denial of service to legitimate users.

Priority

Medium

Status

Package Release Status
asterisk
Launchpad, Ubuntu, Debian
Upstream
Released (1.8.12.1)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(1:1.8.13.1~dfsg-1ubuntu1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [1:1.8.13.1~dfsg-1ubuntu1])