Vulnerability Name:

CVE-2018-8140

Assigned:2018-06-12
Published:2018-06-12
Updated:2018-08-06
Summary:An Elevation of Privilege vulnerability exists when Cortana retrieves data from user input services without consideration for status, aka "Cortana Elevation of Privilege Vulnerability." This affects Windows 10 Servers, Windows 10.
CVSS v3 Severity:6.8 Medium (CVSS v3 Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.8 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-264
References:Source: BID
Type: VENDOR_ADVISORY
104354

Source: SECTRACK
Type: VENDOR_ADVISORY
1041108

Source: XF
Type: UNKNOWN
ms-cortana-cve20188140-priv-esc(142275)

Source: CONFIRM
Type: VENDOR_ADVISORY
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8140

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:edge:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x64:*

  • * Denotes that component is vulnerable
    BACK
    microsoft windows 10 1709
    microsoft windows 10 1803
    microsoft windows server 1709 -
    microsoft windows server 1803 -
    microsoft edge *
    microsoft windows server 1709
    microsoft windows server 1803
    microsoft windows 10 -
    microsoft windows 10 -