Privilege escalation in F5OS Intel UEFI firmware



Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2024-21829
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
 F5OS
Operating systems & Components / Operating system

Vendor F5 Networks

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU97437

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-21829

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient input validation in UEFI firmware error handler. A local privileged user can execute arbitrary code with elevated privileges.

Mitigation

This vulnerability affects the following platforms:

  • rSeries
    • All variants of r5000 & r10000 series appliances
  • VELOS BX520 blade

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

F5OS: 1.5.1 - 1.8.0

CPE2.3 External links

http://my.f5.com/manage/s/article/K000141505


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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