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CVE-2011-2529

Status Candidate

Overview

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.

Related Files

Gentoo Linux Security Advisory 201110-21
Posted Oct 25, 2011
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201110-21 - Multiple vulnerabilities in Asterisk might allow unauthenticated remote attackers to execute arbitrary code. Versions less than 1.8.7.1 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2011-1147, CVE-2011-1174, CVE-2011-1175, CVE-2011-1507, CVE-2011-1599, CVE-2011-2529, CVE-2011-2535, CVE-2011-2536, CVE-2011-2665, CVE-2011-2666, CVE-2011-4063
SHA-256 | ae5d5c2b8906b69d1e116e6371311677f87ac873f436e84744aa53590ae850cd
Debian Security Advisory 2276-2
Posted Jul 12, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2276-2 - DSA 2276-1 for Asterisk in the oldstable distribution (lenny) introduced a functionality bug which invokes an undefined symbol.

tags | advisory
systems | linux, debian
advisories | CVE-2011-2529, CVE-2011-2535
SHA-256 | 594dc216ceb5f3d637f651a9873c5dbf2fc0b79832ca0a9325338b184f5f173d
Debian Security Advisory 2276-1
Posted Jul 11, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2276-1 - Paul Belanger reported a vulnerability in Asterisk identified as AST-2011-008 (CVE-2011-2529) through which an unauthenticated attacker may crash an Asterisk server remotely. A package containing a null char causes the SIP header parser to alter unrelated memory structures.

tags | advisory
systems | linux, debian
advisories | CVE-2011-2529, CVE-2011-2535
SHA-256 | 5d3e989eaa286ad0c7f2048fdbc822acd7e1fd937ef15d76ebdc387ac6c02044
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