Windows hard link in Windows and Windows Server - CVE-2019-1315
Published: October 9, 2019 / Updated: March 16, 2022
Vulnerability identifier: #VU21668
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:A/U:Clear
CVE-ID: CVE-2019-1315
CWE-ID: CWE-65
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows Error Reporting manager handles hard links. A local user can create a malicious application, launch it on the system, overwrite a targeted file leading to an elevated status and take control of an affected system.
To exploit this vulnerability, an attacker would first have to log on to the system.
How to mitigate CVE-2019-1315
Install update from vendor's website.