SB2020033010 - Multiple vulnerabilities in F5 BIG-IP products and BIG-IQ Centralized Management

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Memory leak (CVE-ID: CVE-2020-5861)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due to the Traffic Management Microkernel (TMM) process may produce a core file in some cases when Ram Cache incorrectly optimizes stored data. A remote attacker can cause a denial of service condition on the target system.

2) Input validation error (CVE-ID: CVE-2020-5857)

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

The vulnerability exists due to undisclosed HTTP behavior. A remote attacker can cause a denial of service condition on the target system.

3) Command Injection (CVE-ID: CVE-2020-5858)

The vulnerability allows a local user to execute arbitrary commands on the system.

The vulnerability exists due to the improper input validation. A local user with TMOS Shell (tmsh) access can use a specially crafted "tmsh" command and execute arbitrary commands with elevated privileges.

4) Input validation error (CVE-ID: CVE-2020-5859)

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. A remote attacker can send specially crafted HTTP/3 messages, cause the Traffic Management Microkernel (TMM) to produce a core file and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://support.f5.com/csp/article/K22113131
• https://support.f5.com/csp/article/K70275209
• https://support.f5.com/csp/article/K36814487
• https://support.f5.com/csp/article/K61367237