Vulnerability identifier: #VU8785

Vulnerability risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-8703

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local attacker to perform a DoS attack.

The vulnerability exists due to an error when Windows Subsystem for Linux improperly handles objects in memory. A local attacker can run a specially crafted application and cause the system to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8703

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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.