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F5 BIG-IP - SOL68401558 - BIG-IP virtual server TCP sequence numbers vulnerability
Information
Severity
Severity
High
Family
Family
F5 Local Security Checks
CVSSv2 Base
CVSSv2 Base
7.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
Attackers in a privileged network position may be able to obtain TCP sequence numbers (SEQ) from the BIG-IP system for a short period of time (up to 4 seconds) that will be reused in future connections with the same source and destination port and IP numbers.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.