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CVE-2011-1507

Status Candidate

Overview

Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.

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 2225-1
Posted Apr 27, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2225-1 - Several vulnerabilities have been discovered in Asterisk, an Open Source PBX and telephony toolkit.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2011-1147, CVE-2011-1174, CVE-2011-1175, CVE-2011-1507, CVE-2011-1599
SHA-256 | bd5456aa88bf9875926ee1fefd31e522da42c5cce7535683847404db3202ada9
Asterisk Project Security Advisory - AST-2011-005
Posted Apr 21, 2011
Authored by Tzafrir Cohen | Site asterisk.org

Asterisk Project Security Advisory - On systems that have the Asterisk Manager Interface, Skinny, SIP over TCP, or the built in HTTP server enabled, it is possible for an attacker to open as many connections to asterisk as he wishes. This will cause Asterisk to run out of available file descriptors and stop processing any new calls. Additionally, disk space can be exhausted as Asterisk logs failures to open new file descriptors.

tags | advisory, web, tcp
advisories | CVE-2011-1507
SHA-256 | 471ce01d238810bef4b672c13bed60968aa25283433c449bf7c0a05b6b29d2ae
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