#VU81975 Incorrect default permissions in RunOnce - CVE-2023-4706

Vulnerability identifier: #VU81975

Vulnerability risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-4706

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
RunOnce
Client/Desktop applications / Software for system administration

Vendor: Lenovo

Description

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

The vulnerability exists due to incorrect default permissions for the "C:\Windows\1Lenovo" directory. The Lenovo preloaded OOBE RunOnce registry keys are suppressed, preventing its removal. A local user with access to the system can view contents of files and directories or modify them.

Mitigation
Install update from vendor's website.

Vulnerable software versions

RunOnce: All versions

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External links
https://support.lenovo.com/us/en/product_security/LEN-127385

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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.