DescriptionThe SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
|National Vulnerability Database|
- SUSE-SA:2007:034, published Wed, 06 Jun 2007 18:00:00 +0000