Vulnerability Name:

CVE-2017-8622 (CCN-129373)

Assigned:2017-08-08
Published:2017-08-08
Updated:2019-10-03
Summary:Windows Subsystem for Linux in Windows 10 1703 allows an elevation of privilege vulnerability when it fails to properly handle handles NT pipes, aka "Windows Subsystem for Linux Elevation of Privilege Vulnerability".
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
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)
6.1 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:U/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:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
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-2017-8622

Source: BID
Type: Third Party Advisory, VDB Entry
100040

Source: CCN
Type: BID-100040
Microsoft Windows CVE-2017-8622 Local Privilege Escalation Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039103

Source: XF
Type: UNKNOWN
ms-windows-cve20178622-priv-esc(129373)

Source: CCN
Type: Microsoft Security TechCenter - August 2017
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-2017-8622

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_10:1703:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*

    • * Denotes that component is vulnerable
    BACK
    microsoft windows 10 1703
    microsoft windows 10 *