The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and...
Vulnerability Description
The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted (1) LAGRQ or (2) LAGRP frame that contains information elements of IAX frames, which results in a NULL pointer dereference when Asterisk does not properly set an associated variable.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://ftp.digium.com/pub/asa/ASA-2007-015.pdf
- http://secunia.com/advisories/26099
- http://www.securityfocus.com/bid/24950
- http://www.securitytracker.com/id?1018407
- http://security.gentoo.org/glsa/glsa-200802-11.xml
- http://secunia.com/advisories/29051
- http://bugs.gentoo.org/show_bug.cgi?id=185713
- http://www.vupen.com/english/advisories/2007/2563
- http://www.debian.org/security/2007/dsa-1358
- http://www.novell.com/linux/security/advisories/2007_15_sr.html
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asterisk
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.