UNIX symbolic link following in OneDrive for Windows - CVE-2020-16851
Published: September 8, 2020
Vulnerability identifier: #VU46461
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-16851
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the OneDrive for Windows Desktop application improperly handles symbolic links. A local user can run a specially crafted application and delete a targeted file with an elevated status. .
Successful exploitation of this vulnerability may result in privilege escalation.
Affected software
OneDrive for Windows
How to mitigate CVE-2020-16851
Install update from vendor's website.
OneDrive for Windows - update to 20.143.0716.0003