Vulnerability identifier: #VU8771

Vulnerability risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-11785

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 vulnerability exists due to an error when the Windows kernel handles objects in memory. A local attacker can run a specially crafted application, retrieve the memory address of a kernel object and bypass Kernel Address Space Layout Randomization (ASLR).

Successful exploitation of the vulnerability may result in further attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 8.1 - 8.1 RT, 7, 10

Windows Server: 2008 - 2016 10.0.14393.10

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11785

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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.