QID 379403

Date Published: 2024-02-28

QID 379403: F5 BIG-IP AFM AFM Signature Matching Vulnerability (K000137595)

CVE-2024-21771: For unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic against signatures, resulting in Traffic Management Microkernel (TMM) restarting and traffic disruption.

Affected Versions:
F5 BIG-IP (AFM) version 17.1.0
F5 BIG-IP (AFM) version 16.1.0 - 16.1.3
F5 BIG-IP (AFM) version 15.1.0 - 15.1.8

QID Detection Logic (Authenticated):
This QID checks for vulnerable version of F5 BIG-IP by running the 'tmsh -q show /sys version' command.

When attackers exploit this vulnerability, the TMM restarts and the BIG-IP system temporarily fails to process traffic while it recovers.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Please check the fixed versions released by the vendor in K000137595

Vendor References

K000137595 - my.f5.com/manage/s/article/K000137595

CVEs related to QID 379403

CVE-2024-21771 |

Software Advisories

Advisory ID	Software	Component	Link
K000137595			my.f5.com/manage/s/article/K000137595

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