Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP
firmware before 8.7(0), allows remote attackers to cause a denial of
service (device reboot) via (1) a certain sequence of 10 invalid SIP
INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE
message that contains a remote tag, followed by a certain set of two
related SIP OPTIONS messages.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
FULLDISC:20070820 10 messages SIP Remote DOS on Cisco 7940 SIP Phone
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