UNIX symbolic link following in clone-master-clean-up - CVE-2021-32000
Published: October 20, 2022
Vulnerability identifier: #VU68560
CSH Severity: Low
CVSS v4.0: 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
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: SUSE
Affected software:
clone-master-clean-up
clone-master-clean-up
Detailed vulnerability 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.
How to mitigate CVE-2021-32000
Install updates from vendor's website.