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CVE-2014-2289

Status Candidate

Overview

res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference.

Related Files

Gentoo Linux Security Advisory 201405-05
Posted May 5, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201405-5 - Multiple buffer overflows in Asterisk might allow remote attackers to cause a Denial of Service condition. Versions less than 11.8.1 are affected.

tags | advisory, remote, denial of service, overflow
systems | linux, gentoo
advisories | CVE-2014-2286, CVE-2014-2287, CVE-2014-2288, CVE-2014-2289
SHA-256 | e20cf599e40bf35f9126ba11837927f5dd4e6a0416456a5084e6042d42786582
Asterisk Project Security Advisory - AST-2014-004
Posted Mar 11, 2014
Authored by Mark Michelson, Matt Jordan | Site asterisk.org

Asterisk Project Security Advisory - A remotely exploitable crash vulnerability exists in the PJSIP channel driver's handling of SUBSCRIBE requests. If a SUBSCRIBE request is received for the presence Event, and that request has no Accept headers, Asterisk will attempt to access an invalid pointer to the header location. Note that this issue was fixed during a re-architecture of the res_pjsip_pubsub module in Asterisk 12.1.0. As such, this issue has already been resolved in a released version of Asterisk. This notification is being released for users of Asterisk 12.0.0.

tags | advisory
advisories | CVE-2014-2289
SHA-256 | 6e56eb72b35ebd81d6277efa644e9243116635a3b307f8a61ee9f768038f90ec
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