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Last updated: 8/1/2014 7:52:16 AM

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National Cyber Awareness System

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: Allows unauthorized disclosure of information; Allows unauthorized modification; 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: VUPEN
Name: ADV-2006-2181
Type: Advisory
External Source: SUSE
Name: SUSE-SR:2006:015
External Source: CONFIRM
Name: http://www.asterisk.org/node/95
External Source: BID
Name: 18295
Type: Patch Information
External Source: SECUNIA
Name: 20658
Type: Advisory
External Source: SECUNIA
Name: 21222
Type: Advisory
External Source: BUGTRAQ
Name: 20060609 CORE-2006-0330: Asterisk PBX truncated video frame vulnerability
External Source: SECUNIA
Name: 20899
Type: Advisory
External Source: GENTOO
Name: GLSA-200606-15
External Source: SECTRACK
Name: 1016236
Type: Patch Information
External Source: SECUNIA
Name: 20497
Type: Advisory; Patch Information
External Source: DEBIAN
Name: DSA-1126
External Source: XF
Name: asterisk-iax2-videoframe-bo(27045)
External Source: BUGTRAQ
Name: 20060606 Asterisk 1.2.9 and Asterisk 1.0.11 Released - Security Fix
Type: Advisory; Patch Information

Technical Details

Vulnerability Type (View All)