CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.0. It may be remotely exploitable. It may lead to a denial-of-service condition.
CVE
CVE-2007-4455
Severity
MEDIUM
CVSS
5
EPSS
1.77%
Original NVD Description
The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.