Windows Subsystem for Linux
CVE-2018-0743 — Windows Subsystem for Linux Elevation of Privilege Vulnerability
Executive Summary
An elevation of privilege vulnerability exists due to an integer overflow in Windows Subsystem for Linux. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.
Overview
7
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.3
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
5 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 Version 1703 for 32-bit Systems | 4056891 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows 10 Version 1703 for x64-based Systems | 4056891 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows 10 Version 1709 for 32-bit Systems | 4056892 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows 10 Version 1709 for x64-based Systems | 4056892 (Security Update) |
Important | Elevation of Privilege | Yes |
| Windows Server, version 1709 (Server Core Installation) | 4056892 (Security Update) |
Important | Elevation of Privilege | Yes |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
4056891 |
Security Update | Yes |
4056892 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Saar Amar
References
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