National Cyber Awareness System

Vulnerability Summary for CVE-2011-1147

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: FEDORA

Name: FEDORA-2011-2558

Type: Patch Information

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html

External Source: FEDORA

Name: FEDORA-2011-2438

Type: Patch Information

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html

External Source: FEDORA

Name: FEDORA-2011-2360

Type: Patch Information

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html

External Source: VUPEN

Name: ADV-2011-0635

Type: Advisory

Hyperlink:http://www.vupen.com/english/advisories/2011/0635

External Source: SECTRACK

Name: 1025101

Hyperlink:http://www.securitytracker.com/id?1025101

External Source: BID

Name: 46474

Hyperlink:http://www.securityfocus.com/bid/46474

External Source: MLIST

Name: [oss-security] 20110311 Re: CVE Request -- Asterisk AST-2011-002 / Multiple array overflow and crash vulnerabilities in UDPTL code

Hyperlink:http://www.openwall.com/lists/oss-security/2011/03/11/8

External Source: MLIST

Name: [oss-security] 20110311 CVE Request -- Asterisk AST-2011-002 / Multiple array overflow and crash vulnerabilities in UDPTL code

Hyperlink:http://www.openwall.com/lists/oss-security/2011/03/11/2

External Source: DEBIAN

Name: DSA-2225

Hyperlink:http://www.debian.org/security/2011/dsa-2225

External Source: SECUNIA

Name: 43702

Type: Advisory

Hyperlink:http://secunia.com/advisories/43702

External Source: SECUNIA

Name: 43429

Type: Advisory

Hyperlink:http://secunia.com/advisories/43429

External Source: CONFIRM

Name: http://downloads.asterisk.org/pub/security/AST-2011-002.html

Type: Advisory

Hyperlink:http://downloads.asterisk.org/pub/security/AST-2011-002.html