Description
The 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).
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.asterisk.org/files/ASA-2007-011.pdf ↗
- http://bugs.digium.com/view.php?id=9313 ↗
- http://www.novell.com/linux/security/advisories/2007_34_asterisk.html ↗
- http://www.securitytracker.com/id?1017954 ↗
- http://www.securityfocus.com/bid/24359 ↗
- http://www.securityfocus.com/archive/1/466882/100/0/threaded ↗
- http://secunia.com/advisories/25582 ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33892 ↗
- http://securityreason.com/securityalert/2644 ↗
- http://www.debian.org/security/2007/dsa-1358 ↗