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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

6 years ago

Modified

Modified

4 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.

Common Vulnerabilities and Exposures (CVE)