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Asterisk Products Invalid SDP SIP Channel Driver DoS Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
This host is running Asterisk Server and is prone to denial of service vulnerability.
Insight
Insight
Error within the SIP channel driver when handling a crafted SDP in a SIP request.
Affected Software
Affected Software
Asterisk Open Source 1.8.x to 1.8.23.0, 10.x to 10.12.2 and 11.x to 11.5.0 Certified Asterisk 1.8.15 to 1.8.15-cert2 and 11.2 to 11.2-cert1 Asterisk Digiumphones 10.x-digiumphones to 10.12.2-digiumphones
Detection Method
Detection Method
Send invalid SDP SIP request and check is it vulnerable to DoS or not.
Solution
Solution
Upgrade to Asterisk Open Source to 1.8.23.1, 10.12.3, 11.5.1 or later, Certified Asterisk to 1.8.15-cert3, 11.2-cert2 or later, Asterisk Digiumphones 10.12.3-digiumphones or later.