CVE-2007-3763
EPSS 25.2%
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.
How to fix CVE-2007-3763
To remediate CVE-2007-3763, upgrade the affected package to a fixed version below.
- Debian/asterisk—upgrade to 1:1.4.8~dfsg-1 or later
Is CVE-2007-3763 being exploited?
Moderate — EPSS is 25.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 1:1.4.8~dfsg-1