CVE-2018-0743 Memory corruption in Windows Subsystem for Linux
An attacker can exploit improper memory handling in Windows Subsystem for Linux to elevate privileges on affected Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0743?
CVE-2018-0743 is a high-severity memory corruption vulnerability in Microsoft Windows 10, published on 4 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Subsystem for Linux in Windows 10 version 1703, Windows 10 version 1709, and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way objects are handled in memory, aka "Windows Subsystem for Linux Elevation of Privilege Vulnerability".
Which versions are affected by CVE-2018-0743?
It affects 2 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016.
How do I fix CVE-2018-0743?
No fix has been published for CVE-2018-0743 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-0743 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-0743 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-hh9m-g5p9-8fw8.