Link following in Kaspersky VPN Secure Connection - CVE-2022-27535
Published: August 5, 2022 / Updated: August 9, 2022
Vulnerability identifier: #VU66134
CSH Severity: Low
CVSS v4.0: 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-2022-27535
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Kaspersky Lab
Affected software:
Kaspersky VPN Secure Connection
Kaspersky VPN Secure Connection
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insecure link following when deleting folders via support tools. A local user can create a specially crafted symbolic link to a critical folder on the system and delete it via "Delete service data and reports" feature, which can result in future privilege escalation.
How to mitigate CVE-2022-27535
Install updates from vendor's website.