CVE Vulnerabilities

CVE-2022-21919

Improper Link Resolution Before File Access ('Link Following')

Published: Jan 11, 2022 | Modified: Nov 14, 2024
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

Windows User Profile Service Elevation of Privilege Vulnerability

Weakness

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Software

Name Vendor Start Version End Version
Windows_10_1507 Microsoft * 10.0.10240.19177 (excluding)
Windows_10_1607 Microsoft * 10.0.14393.4886 (excluding)
Windows_10_1809 Microsoft * 10.0.17763.2452 (excluding)
Windows_10_1909 Microsoft * 10.0.18363.2037 (excluding)
Windows_10_20h2 Microsoft * 10.0.19042.1466 (excluding)
Windows_10_21h1 Microsoft * 10.0.19043.1466 (excluding)
Windows_10_21h2 Microsoft * 10.0.19044.1466 (excluding)
Windows_11_21h2 Microsoft * 10.0.22000.434 (excluding)
Windows_7 Microsoft –sp1 (including) –sp1 (including)
Windows_8.1 Microsoft - (including) - (including)
Windows_rt_8.1 Microsoft - (including) - (including)
Windows_server_2008 Microsoft –sp2 (including) –sp2 (including)
Windows_server_2008 Microsoft r2-sp1 (including) r2-sp1 (including)
Windows_server_2012 Microsoft - (including) - (including)
Windows_server_2012 Microsoft r2 (including) r2 (including)
Windows_server_2016 Microsoft * 10.0.14393.4886 (excluding)
Windows_server_2019 Microsoft * 10.0.17763.2452 (excluding)
Windows_server_2022 Microsoft * 10.0.20348.469 (excluding)
Windows_server_20h2 Microsoft * 10.0.19042.1466 (excluding)

Potential Mitigations

  • Follow the principle of least privilege when assigning access rights to entities in a software system.
  • Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.

References