PRIOn knowledge basePRION:CVE-2011-1147Heap overflow
Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.
References
downloads.asterisk.org/pub/security/AST-2011-002.html
secunia.com/advisories/43429
secunia.com/advisories/43702
www.debian.org/security/2011/dsa-2225
www.openwall.com/lists/oss-security/2011/03/11/2
www.openwall.com/lists/oss-security/2011/03/11/8
www.securityfocus.com/bid/46474
www.securitytracker.com/id?1025101
www.vupen.com/english/advisories/2011/0635
lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html
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