Two vulnerabilities in Windows Subsystem for Linux

Published: 2017-08-08 22:08:41
Severity Low
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2017-8622
CVE-2017-8627
CVSSv3 8.1 [CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
6.2 [CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CWE ID CWE-20
CWE-119
Exploitation vector Local
Public exploit N/A
Vulnerable software Windows
Vulnerable software versions Windows 10
Vendor URL Microsoft

Security Advisory

1) Improper input validation

Description

The vulnerability allows a local user to elevate privileges on the system.

The vulnerability exists due to an error in the way that the Windows Subsystem for Linux handles NT pipes. A local user could exploit this vulnerability to execute code with elevated permissions.

Successful exploitation of the vulnerability may allow a local user to execute code with elevated privileges on the system.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8622

2) Memory corruption

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to boundary error within Windows Subsystem for Linux. A local user could exploit this vulnerability to perform a denial of service attack.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8627

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