Main Vulnerability Database Vulnerabilities #VU6493

Information disclosure in Microsoft Windows and Windows Server - CVE-2017-0258

Published: May 10, 2017 / Updated: September 14, 2018

Vulnerability identifier: #VU6493

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-0258

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper handling of objects in memory by Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and gain access to arbitrary files.

Successful exploitation of the vulnerability results in information disclosure.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2017-0258

Install update from vendor's website.

Links to Public Exploits and PoC-codes

Exploit #1170 - Microsoft Windows 7 Kernel - Uninitialized Memory in the Default dacl Descriptor of System Processes Token (March 18, 2020)

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0258

Related Security Bulletins

Information disclosure in Microsoft Windows Kernel