Denial of service in F5 BIG-IP products

1) Input validation error

EUVDB-ID: #VU27561

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5872

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists within the Traffic Management Microkernel (TMM) when processing TLS traffic with hardware cryptographic acceleration enabled on platforms with Intel QAT hardware. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

This vulnerability applies to the following platforms:

• i4600, i4800, YK i4000
• i5600, i5800, HRC-i5000, HRC-i5800, i5820-DF
• i7600, i7800, i7000-D, i7820-DF
• i10600, i10800, i10000-D, HRC-i10800
• i11600, i11800, i11000-DS, i11000-D
• i15600, i15800, i15000-N
• VIPRION B4400N blade

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 12.1.0 - 14.1.2

BIG-IP LTM: 12.1.0 - 14.1.2

BIG-IP AAM: 12.1.0 - 14.1.2

BIG-IP AFM: 12.1.0 - 14.1.2

BIG-IP Analytics: 12.1.0 - 14.1.2

BIG-IP APM: 12.1.0 - 14.1.2

BIG-IP ASM: 12.1.0 - 14.1.2

BIG-IP DNS: 12.1.0 - 14.1.2

BIG-IP FPS: 12.1.0 - 14.1.2

BIG-IP GTM: 12.1.0 - 14.1.2

BIG-IP Link Controller: 12.1.0 - 14.1.2

BIG-IP PEM: 12.1.0 - 14.1.2

External links

http://support.f5.com/csp/article/K63558580

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.