#VU27851 Out-of-bounds read in Windows and Windows Server


Published: 2020-05-12

Vulnerability identifier: #VU27851

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1075

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within Windows Subsystem for Linux. A remote user can use a specially crafted application to trigger out-of-bounds read error and read contents of Kernel memory from a user mode process.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: 10 1803 - 10 1909

Windows Server: 2019 - 2019 1909


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1075


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability