Ubuntu update for util-linux



| Updated: 2024-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-28085
CWE-ID CWE-20
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

util-linux (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU87906

Risk: Low

CVSSv4.0: 5.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2024-28085

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

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

The vulnerability exists due to insufficient validation of user-supplied arguments along with setgid tty permissions within the wall command. A local user can execute arbitrary commands with escalated privileges on the system.

Mitigation

Update the affected package util-linux to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 23.10

util-linux (Ubuntu package): before 2.34-0.1ubuntu9.5

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6719-1


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. However, proof of concept for this vulnerability is available.



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