Privilege escalation in Windows Subsystem for Linux

Published: 2018-01-04 11:58:02
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-0743
CVSSv3 7.7 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-190
Exploitation vector Local
Public exploit N/A
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows 10
Windows Server 2016
Vendor URL Microsoft

Security Advisory

1) Integer overflow

Description

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

The vulnerability exists due to integer overflow in Windows Subsystem for Linux. A local user can execute a specially crafted application, trigger memory corruption and execute arbitrary code with elevated privileges.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0743

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