Vulnerability Name:

CVE-2018-0743 (CCN-136895)

Assigned:2017-12-01
Published:2018-01-03
Updated:2019-10-03
Summary: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".
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.0 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-0743

Source: BID
Type: Third Party Advisory, VDB Entry
102350

Source: CCN
Type: BID-102350
Microsoft Windows Subsystem for Linux CVE-2018-0743 Local Privilege Escalation Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040094

Source: XF
Type: UNKNOWN
ms-windows-cve20180743-priv-esc(136895)

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://github.com/saaramar/execve_exploit

Source: CCN
Type: Packet Storm Security [02-02-2018]
Microsoft Windows Subsystem For Linux Local Privilege Escalation

Source: CCN
Type: Microsoft Security TechCenter - January 2018
Windows Subsystem for Linux Elevation of Privilege Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0743

Source: MISC
Type: Third Party Advisory
https://twitter.com/AmarSaar/status/948892321755598848

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [02-02-2018]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
43962

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_10:1703:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_1709:-:*:*:*:*:*:x64:*

  • Configuration CCN 1:
  • cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server:1709:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft windows 10 1703
    microsoft windows 10 1709
    microsoft windows server 2016 1709
    microsoft windows 10 -
    microsoft windows 10 -
    microsoft windows server 1709