#VU67623 Permissions, Privileges, and Access Controls in permissions - CVE-2022-31252

Vulnerability identifier: #VU67623

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-31252

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
permissions
Operating systems & Components / Operating system package or component

Vendor: SUSE

Description

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

The vulnerability exists within the chkstat tool, which does not check for group-writable parent directories or target files in safeOpen(). A local user can change permissions for critical files and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

permissions: before 20201225-150400.5.11.1

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External links
https://bugzilla.suse.com/show_bug.cgi?id=1203018

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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.