Vulnerability Name:

CCN-171750

Published:2019-11-18
Updated:2019-11-18
Summary:Microsoft Windows could allow a local authenticated attacker to bypass security restrictions, caused by improper input validation. By hijacking a special-crafted key in the Registry under the current user hive, an attacker could exploit this vulnerability to turn off the UAC flag to bypass UAC protection.
CVSS v3 Severity:4.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N/E:F/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:3.8 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Consequences:Bypass Security
References:Source: XF
Type: UNKNOWN
ms-windows-registryuac-sec-bypass(171750)

Source: CCN
Type: Packet Storm Security [11-18-2019]
Windows Escalate UAC Protection Bypass

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [11-20-2019]

Source: CCN
Type: Microsoft Web site
Microsoft Windows

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:microsoft:windows_7:-:sp1:-:*:-:-:x32:*
  • OR cpe:/o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_vista:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8:-:-:-:*:-:-:x32:*
  • OR cpe:/o:microsoft:windows_8:*:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:-:-:-:*:-:-:x32:*
  • OR cpe:/o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft windows 7 - sp1
    microsoft windows 7 * sp1
    microsoft windows server 2008 -
    microsoft windows server 2008 -
    microsoft windows vista *
    microsoft windows 8 - -
    microsoft windows 8 *
    microsoft windows server 2012
    microsoft windows 8.1 - -
    microsoft windows 8.1 *
    microsoft windows 10 -
    microsoft windows 10 *
    microsoft windows server 2016