Privilege escalation in Microsoft Windows and Windows Server - CVE-2017-0103

Vulnerability identifier: #VU5978

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2017-0103

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: Public exploit is available

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to improper handling of registry objects in memory by Windows Kernel API. A local attacker can run a specially crafted application and gain elevated privileges on the affected system.

Successful exploitation of the vulnerability may result in privilege escalation on the vulnerable system.

Microsoft Windows
Windows Server

Install update from vendor's website.

• Exploit #1069 - Microsoft Windows Kernel - Registry Hive Loading Crashes in nt!nt!HvpGetBinMemAlloc and nt!ExpFindAndRemoveTagBigPages (MS17-017) (March 18, 2020)

• https://technet.microsoft.com/en-us/library/security/MS17-017

• Multiple vulnerabilities in Microsoft Windows
• Windows Registry Elevation of Privilege Vulnerability