National Vulnerability Database (NVD) National Vulnerability Database (CVE-2006-2898)

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Last updated: Tue May 21 23:59:53 EDT 2013

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Vulnerability Summary for CVE-2006-2898

Original release date:06/07/2006

Last revised:03/07/2011

Source: US-CERT/NIST

Overview

The IAX2 channel driver (chan_iax2) for Asterisk 1.2.x before 1.2.9 and 1.0.x before 1.0.11 allows remote attackers to cause a denial of service (crash) and execute arbitrary code via truncated IAX 2 (IAX2) video frames, which bypasses a length check and leads to a buffer overflow involving negative length check. NOTE: the vendor advisory claims that only a DoS is possible, but the original researcher is reliable.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Solution

This vulnerability is addressed in the following product releases: Asterisk, Asterisk, 1.2.9 Asterisk, Asterisk, 1.0.11 }

References to Advisories, Solutions, and Tools

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External Source: BID

Name: 18295

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/18295

External Source: BUGTRAQ

Name: 20060606 Asterisk 1.2.9 and Asterisk 1.0.11 Released - Security Fix

Type: Advisory; Patch Information

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/436127/100/0/threaded

External Source: SECTRACK

Name: 1016236

Type: Patch Information

Hyperlink:http://securitytracker.com/id?1016236