CVE-2007-3763
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- EPSS score
- 26.6% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-3747)
- Published
- July 18, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-3747 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk
- asterisk / asterisk appliance developer kit
- asterisk / asterisknow
- asterisk / asterisknow
- asterisk / s800i appliance
- asterisk / s800i appliance
References
- http://bugs.gentoo.org/show_bug.cgi?id=185713
- http://ftp.digium.com/pub/asa/ASA-2007-015.pdf(Patch, Vendor Advisory)
- http://secunia.com/advisories/26099
- http://secunia.com/advisories/29051
- http://security.gentoo.org/glsa/glsa-200802-11.xml
- http://www.debian.org/security/2007/dsa-1358
- http://www.novell.com/linux/security/advisories/2007_15_sr.html
- http://www.securityfocus.com/bid/24950
- http://www.securitytracker.com/id?1018407
- http://www.vupen.com/english/advisories/2007/2563
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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