#VU6494 Information disclosure in Windows and Windows Server - CVE-2017-0259

Vulnerability identifier: #VU6494

Vulnerability risk: Low

CVSSv4.0: 1.9 [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/E:P/U:Clear]

CVE-ID: CVE-2017-0259

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description
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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: 8.1 RT - 8.1, 10

Windows Server: 2012 R2 - 2012, 2016 10.0.14393.10

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0259

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.