SB2022080404 - Multiple DoS vulnerabilities in BIG-IP TMM module

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2022-34655)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input, when an iRule containing the HTTP::payload command is configured on a virtual server. A remote attacker can pass specially crafted input to the system and cause Traffic Management Microkernel (TMM) to terminate.

2) Input validation error (CVE-ID: CVE-2022-34862)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input, when an LTM virtual server is configured to perform normalization. A remote attacker can pass specially crafted input to the system and cause the Traffic Management Microkernel (TMM) to terminate.

3) Input validation error (CVE-ID: CVE-2022-32455)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input, when a BIG-IP LTM Client SSL profile is configured on a virtual server to perform client certificate authentication with session tickets enabled. A remote attacker can pass specially crafted input to the system and cause the Traffic Management Microkernel (TMM) to terminate.

Remediation

Install update from vendor's website.

References

• https://support.f5.com/csp/article/K93504311
• https://support.f5.com/csp/article/K66510514
• https://support.f5.com/csp/article/K16852653