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Asterisk Multiple Denial of Service Vulnerabilities
Information
Severity
Severity
High
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
7.1
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
4 years ago
Summary
This host is running Asterisk and is prone to multiple denial of service vulnerabilities.
Insight
Insight
Multiple flaws exist due to - An error in 'chan_sip' function when the 'timert1 sip.conf' configuration is set to a value greater than 1245] - An input validation error in UDPTL FAX packet.
Affected Software
Affected Software
Asterisk version 1.8.x and 11.x before 11.21.1, 12.x and 13.x before 13.7.1.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to version 11.21.1 or 13.7.1 or later.