Vulnerability Name:

CVE-2016-3237 (CCN-115461)

Assigned:2016-08-09
Published:2016-08-09
Updated:2019-05-20
Summary:Kerberos in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows man-in-the-middle attackers to bypass authentication via vectors related to a fallback to NTLM authentication during a domain account password change, aka "Kerberos Security Feature Bypass Vulnerability."
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
8.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)
7.2 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:A/AC:H/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-264
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2016-3237

Source: CCN
Type: Microsoft Security Bulletin MS16-101
Security Update for Windows Authentication Methods (3178465)

Source: CCN
Type: Microsoft Security Bulletin MS16-110
Security Update for Windows (3178467)

Source: CCN
Type: Microsoft Security Bulletin MS16-111
Security Update for Windows Kernel (3186973)

Source: CCN
Type: Microsoft Security Bulletin MS16-120
Security Update for Microsoft Graphics Component (3192884)

Source: CCN
Type: Microsoft Security Bulletin MS16-122
Security Update for Microsoft Video Control (3195360)

Source: CCN
Type: Microsoft Security Bulletin MS16-123
Security Update for Kernel-Mode Drivers (3192892)

Source: CCN
Type: Microsoft Security Bulletin MS16-124
Security Update for Windows Registry (3193227)

Source: CCN
Type: Microsoft Security Bulletin MS16-126
Security Update for Microsoft Internet Messaging API (3196067)

Source: CCN
Type: Microsoft Security Bulletin MS16-131
Security Update for Microsoft Video Control (3199151)

Source: CCN
Type: Microsoft Security Bulletin MS16-139
Security Update for Windows Kernel (3199720)

Source: CCN
Type: Microsoft Security Bulletin MS16-155
Security Update for .NET Framework (3205640)

Source: CCN
Type: Microsoft Security Bulletin MS17-006
Cumulative Security Update for Internet Explorer (4013073)

Source: CCN
Type: Microsoft Security Bulletin MS17-013
Security Update for Microsoft Graphics Component (4013075)

Source: BID
Type: Third Party Advisory, VDB Entry
92290

Source: CCN
Type: BID-92290
Microsoft Windows Kerberos CVE-2016-3237 Security Bypass Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1036576

Source: MS
Type: Patch, Vendor Advisory
MS16-101

Source: XF
Type: UNKNOWN
ms-authentication-cve20163237-priv-esc(115461)

Source: CCN
Type: Packet Storm Security [09-23-2016]
Kerberos Security Feature Bypass

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [09-22-2016]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
40409

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1511:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:microsoft:windows_vista:*:sp2:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:-:*:-:-:x32:*
  • OR cpe:/o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
  • 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_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*

  • * Denotes that component is vulnerable
    BACK
    microsoft windows 10 -
    microsoft windows 10 1511
    microsoft windows 7 - sp1
    microsoft windows 8.1 -
    microsoft windows rt -
    microsoft windows rt 8.1 -
    microsoft windows server 2008 - sp2
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2012 -
    microsoft windows server 2012 r2
    microsoft windows vista - sp2
    microsoft windows vista * sp2
    microsoft windows vista * sp2
    microsoft windows server 2008 sp2
    microsoft windows server 2008
    microsoft windows 7 - sp1
    microsoft windows 7 * sp1
    microsoft windows server 2008 r2
    microsoft windows server 2008 r2
    microsoft windows server 2012
    microsoft windows 8.1 - -
    microsoft windows 8.1 *
    microsoft windows server 2012 r2
    microsoft windows rt 8.1 *
    microsoft windows 10 -
    microsoft windows 10 *