CVE-2007-3763 json
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 b…
published 2007-07-18 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3747
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 26.6%
- EPSS 26.6% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- asterisk Debian 14 1:1.4.8~dfsg-1
debian advisories DEBIAN-CVE-2007-3763
Timeline
- Published
- First public exploit (EDB-4249)
Exploit prediction
26.56% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-4249 Asterisk < 1.2.22/1.4.8 - IAX2 Channel Driver Remote Crash dos, 2007-07-31
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
ftp.digium.com
/pub/asa/ASA-2007-015.pdf
patch, vendor-advisory
-
security.gentoo.org
/glsa/glsa-200802-11.xml
vendor-advisory
-
debian.org
/security/2007/dsa-1358
vendor-advisory
-
novell.com
/linux/security/advisories/2007_15_sr.html
vendor-advisory
-
secunia.com
/advisories/26099
third-party-advisory
-
securityfocus.com
/bid/24950
vdb-entry
-
securitytracker.com
/id?1018407
vdb-entry
-
secunia.com
/advisories/29051
third-party-advisory
- bugs.gentoo.org /show_bug.cgi?id=185713
-
vupen.com
/english/advisories/2007/2563
vdb-entry
Sources
- CVE List CVE-2007-3763
- NVD CVE-2007-3763
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.