SB2020081226 - Privilege escalation in Microsoft Windows Hard Link
Published: August 12, 2020
Security Bulletin ID
SB2020081226
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Windows Hard Link (CVE-ID: CVE-2020-1467)
CWE-ID: CWE-65 - Windows hard link
CVSSv4: 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
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to Windows improperly handles hard links. A local authenticated user can run a specially crafted application and overwrite a targeted file leading to an elevated status.
Remediation
Install update from vendor's website.