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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Asterisk | Asterisk | 1.0 |
| Asterisk | Asterisk Appliance Developer Kit | <= 0.4 |
| Asterisk | Asterisknow | beta_5 |
| Asterisk | S800I Appliance | 1.0 |
References
- http://bugs.gentoo.org/show_bug.cgi?id=185713
- http://ftp.digium.com/pub/asa/ASA-2007-015.pdfPatchVendor 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
- http://bugs.gentoo.org/show_bug.cgi?id=185713
- http://ftp.digium.com/pub/asa/ASA-2007-015.pdfPatchVendor Advisory
- http://secunia.com/advisories/26099
- http://secunia.com/advisories/29051
- http://security.gentoo.org/glsa/glsa-200802-11.xml
FAQ
What is CVE-2007-3763?
CVE-2007-3763 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 ...
How severe is CVE-2007-3763?
CVE-2007-3763 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-3763?
Check the references section above for vendor advisories and patch information. Affected products include: Asterisk Asterisk, Asterisk Asterisk Appliance Developer Kit, Asterisk Asterisknow, Asterisk S800I Appliance.