National Cyber Awareness System

Vulnerability Summary for CVE-2009-2346

Overview

The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: BID

Name: 36275

Hyperlink:http://www.securityfocus.com/bid/36275

External Source: BUGTRAQ

Name: 20090903 AST-2009-006: IAX2 Call Number Resource Exhaustion

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/506257/100/0/threaded

External Source: SECTRACK

Name: 1022819

Hyperlink:http://securitytracker.com/id?1022819

External Source: SECUNIA

Name: 36593

Type: Advisory

Hyperlink:http://secunia.com/advisories/36593

External Source: CONFIRM

Name: http://downloads.asterisk.org/pub/security/AST-2009-006.html

Type: Advisory

Hyperlink:http://downloads.asterisk.org/pub/security/AST-2009-006.html