QID 376068

QID 376068: F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Traffic Management Microkernel (TMM) Vulnerability (K70415522)

When an HTTP profile is configured on a virtual server, after a specific sequence of packets, chunked responses can cause the Traffic Management Microkernel (TMM) to terminate.CVE-2021-23035

Vulnerable Component: BIG-IP ASM,LTM,APM

Affected Versions:
14.1.0 - 14.1.4

QID Detection Logic(Authenticated):
This QID checks for the vulnerable versions of F5 BIG-IP devices using the tmsh command.

Traffic is disrupted while the TMM process restarts. This vulnerability allows a remote attacker to cause a denial-of-service (DoS) on the BIG-IP system. There is no control plane exposure; this is a data plane issue only.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.1 severity.

Solution

The vendor has released patch, for more information please visit: K70415522

Vendor References

K70415522 - support.f5.com/csp/article/K70415522

CVEs related to QID 376068

CVE-2021-23035 |

Software Advisories

Advisory ID	Software	Component	Link
K70415522			support.f5.com/csp/article/K70415522

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Array ( [qid] => 376068 [title] => F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Traffic Management Microkernel (TMM) Vulnerability (K70415522) [severity] => 4 [description] => When an HTTP profile is configured on a virtual server, after a specific sequence of packets, chunked responses can cause the Traffic Management Microkernel (TMM) to terminate.CVE-2021-23035

Vulnerable Component: BIG-IP ASM,LTM,APM

Affected Versions:
14.1.0 - 14.1.4

QID Detection Logic(Authenticated):
This QID checks for the vulnerable versions of F5 BIG-IP devices using the tmsh command.

[solution] => The vendor has released patch, for more information please visit: K70415522 [consequence] => Traffic is disrupted while the TMM process restarts. This vulnerability allows a remote attacker to cause a denial-of-service (DoS) on the BIG-IP system. There is no control plane exposure; this is a data plane issue only.

[published] => In QA [date_insert] => 2021-11-16 [date_published] => [cve] => Array ( [0] => CVE-2021-23035 ) [vendor_refs] => Array ( [0] => Array ( [vendor_ref] => K70415522 [vendor_ref_url] => https://support.f5.com/csp/article/K70415522 ) ) [cvss_v2] => Array ( [basescore] => 7.1 [temporalscore] => 5.3 ) [cvss_v3] => Array ( [basescore] => 7.5 [temporalscore] => 6.5 ) [patches] => Array ( [0] => Array ( [link] => https://support.f5.com/csp/article/K70415522 [advisory_id] => K70415522 [os_sw] => [component] => ) ) )