Denial of service in F5 BIG-IP compression driver



Published: 2021-08-30
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-23044
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		BIG-IP
Hardware solutions / Firmware

Vendor F5 Networks

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU56153

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-23044

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 due to insufficient validation of user-supplied input when the Intel QuickAssist Technology (QAT) compression driver is used on affected BIG-IP hardware and BIG-IP Virtual Edition (VE) platforms. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

This vulnerability affects the following platforms:

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 11.6.1 - 16.0.1

External links

http://support.f5.com/csp/article/K35408374


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.



###SIDEBAR###