Ubuntu update for multipath-tools

Published: 2022-11-17 | Updated: 2022-12-15

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-41973 CVE-2022-41974
CWE-ID	CWE-61 CWE-285
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system multipath-tools (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) UNIX symbolic link following

EUVDB-ID: #VU68723

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41973

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

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

The vulnerability exists due to a symlink following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.

Mitigation

Update the affected package multipath-tools to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.10

multipath-tools (Ubuntu package): before 0.8.8-1ubuntu1.22.10.1

External links

http://ubuntu.com/security/notices/USN-5731-1

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.

2) Improper Authorization

EUVDB-ID: #VU68722