SB2018032310 - Multiple vulnerabilities in F5 BIG-IP

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Denial of service (CVE-ID: CVE-2018-5505)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to unspecified flaw. A remote attacker can cause the service to crash.

2) Improper resource shutdown (CVE-ID: CVE-2018-5503)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to improper resource shutdown. A remote attacker can cause the service to crash.

3) Improper resource shutdown (CVE-ID: CVE-2018-5502)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to improper resource shutdown. A remote attacker can cause the service to crash.

4) Improper input validation (CVE-ID: CVE-2018-5509)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists on the systems with a virtual server in a specific and uncommon configuration due to improper input validation. A remote attacker can send specially crafted traffic, trigger a flaw in the Traffic Management Operating System (TMOS) and cause the target Traffic Management Microkernel (TMM) to crash.

5) Improper input validation (CVE-ID: CVE-2018-5504)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to improper input validation. A remote attacker can send a specially crafted WebSocket packet and cause the target Traffic Management Microkernel (TMM) to execute arbitrary code.

Remediation

Install update from vendor's website.

References

• https://support.f5.com/csp/article/K23520761
• https://support.f5.com/csp/article/K54562183
• https://support.f5.com/csp/article/K43121447
• https://support.f5.com/csp/article/K49440608
• https://support.f5.com/csp/article/K11718033