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Rewterz Threat Advisory – CVE-2019-6623 – F5 Multiple BIG-IP Products Denial of Service Vulnerability

Severity

Medium

Analysis Summary

An error when handling certain traffic related to BIG-IP iSession virtual can be exploited to can be exploited to cause a restart of the Traffic Management Microkernel (TMM).

Impact

Denial of Service

Affected Vendors

F5

Affected Products

  • F5 BIG-IP Local Traffic Manager (LTM) 12.x
  • F5 BIG-IP Application Security Manager (ASM) 12.x
  • F5 BIG-IP Local Traffic Manager (LTM) 13.x
  • F5 BIG-IP Application Security Manager (ASM) 13.x
  • F5 BIG-IP Local Traffic Manager (LTM) 14.x
  • F5 BIG-IP Access Policy Manager (APM) 12.x
  • F5 BIG-IP Access Policy Manager (APM) 13.x
  • F5 BIG-IP Advanced Firewall Manager (AFM) 12.x
  • F5 BIG-IP Advanced Firewall Manager (AFM) 13.x
  • F5 TMOS 12.x
  • F5 BIG-IP DNS (formerly Global Traffic Manager (GTM)) 12.x

Remediation

Update to version 12.1.4.1, 13.1.1.5, 14.0.0.5, or 14.1.0.6.

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