The SIP channel driver (chan_sip) in Asterisk before 1.2...
High severity
Unreviewed
Published
May 1, 2022
to the GitHub Advisory Database
•
Updated Jan 31, 2023
Description
Published by the National Vulnerability Database
Apr 26, 2007
Published to the GitHub Advisory Database
May 1, 2022
Last updated
Jan 31, 2023
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).
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