Vulnerability CVE-2015-6095 - CERT Civis.Net

Vulnerability Name:

CVE-2015-6095 (CCN-107652)

Assigned:

2015-11-10

Published:

2015-11-10

Updated:

2019-05-17

Summary:

Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 Gold and 1511 mishandles password changes, which allows physically proximate attackers to bypass authentication, and conduct decryption attacks against certain BitLocker configurations, by connecting to an unintended Key Distribution Center (KDC), aka "Windows Kerberos Security Feature Bypass."

CVSS v3 Severity:

7.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/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): Changed
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

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:

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2015-6095

Source: CCN
Type: Microsoft Security Bulletin MS15-122
Security Update for Kerberos to Address Security Feature Bypass (3105256)

Source: CCN
Type: Microsoft Security Bulletin MS15-132
Security Update for Microsoft Windows to Address Remote Code Execution (3116162)

Source: CCN
Type: Microsoft Security Bulletin MS16-008
Security Update for Kernel to Address Elevation of Privilege (3124605)

Source: CCN
Type: Microsoft Security Bulletin MS16-014
Security update for Microsoft Windows to Address Remote Code Execution (3134228)

Source: CCN
Type: Microsoft Security Bulletin MS16-031
Security Update for Microsoft Windows to Address Elevation of Privilege (3140410)

Source: CCN
Type: Microsoft Security Bulletin MS16-044
Security Update for Windows OLE (3146706)

Source: CCN
Type: Microsoft Security Bulletin MS16-047
Security Update for SAM and LSAD Remote Protocols (3148527)

Source: CCN
Type: Microsoft Security Bulletin MS16-048
Security Update for CSRSS (3148528)

Source: CCN
Type: Microsoft Security Bulletin MS16-060
Security Update for Windows Kernel (3154846)

Source: CCN
Type: Microsoft Security Bulletin MS16-061
Security Update for Microsoft RPC (3155520)

Source: CCN
Type: Microsoft Security Bulletin MS16-075
Security Update for Windows SMB Server (3164038)

Source: CCN
Type: Microsoft Security Bulletin MS16-076
Security Update for Netlogon (3167691)

Source: CCN
Type: Microsoft Security Bulletin MS16-092
Security Update for Windows Kernel (3171910)

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: SECTRACK
Type: Third Party Advisory, VDB Entry
1034125

Source: MS
Type: Patch, Vendor Advisory
MS15-122

Source: XF
Type: UNKNOWN
ms-kerberos-cve20156095-security-bypass(107652)

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:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_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:*:*:*:*:x64:*

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_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_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*

Denotes that component is vulnerable