Main Vulnerability Database Vulnerabilities #VU8292

Information disclosure in Microsoft Windows and Windows Server - CVE-2017-8683

Published: September 12, 2017 / Updated: September 14, 2018

Vulnerability identifier: #VU8292

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-8683

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local user to obtain potentially sensitive information.

An information disclosure vulnerability exists when the Microsoft Windows Graphics Component improperly handles objects in memory within Win32k.sys driver. A local user can gain access to potentially sensitive information.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2017-8683

Install updates from vendor's website.

Links to Public Exploits and PoC-codes

Exploit #1319 - Microsoft Windows Kernel win32k.sys TTF Font Processing - Out-of-Bounds Read with Malformed _glyf_ Table (win32k!fsc_CalcGrayRow) (March 18, 2020)

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8683

Related Security Bulletins

Multiple vulnerabilities in Win32.sys driver in Microsoft Windows