Multiple vulnerabilities in F5OS

Published: 2024-05-06 | Updated: 2024-06-07

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-1086 CVE-2024-21005
CWE-ID	CWE-416 CWE-20
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild.
Vulnerable software Subscribe	F5OS Operating systems & Components / Operating system
Vendor	F5 Networks

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU86577

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2024-1086

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

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

The vulnerability exists due to a use-after-free error within the netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

F5OS: 1.5.0 - 1.7.0

CPE2.3

External links

http://my.f5.com/manage/s/article/K000139430

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?

Yes. This vulnerability is being exploited in the wild.

2) Improper input validation

EUVDB-ID: #VU88671

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21005

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No