SUSE update for clone-master-clean-up

1) UNIX symbolic link following

EUVDB-ID: #VU68560

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-32000

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

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a symlink following issue in the clone-master-clean-up.sh script of clone-master-clean-up. A local user can create a specially crafted symbolic link to a critical file on the system and delete it, causing a denial of service.

Mitigation

Update the affected package clone-master-clean-up to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP5

clone-master-clean-up: before 1.8-4.11.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:clone-master-clean-up:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223674-1/

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.