Executive Summary

Summary
Title Security Update for Kerberos to Address Security Feature Bypass (3105256)
Informations
Name MS15-122 First vendor Publication 2015-11-10
Vendor Microsoft Last vendor Modification 2016-04-07
Severity (Vendor) Important Revision 1.2

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:C/A:N)
Cvss Base Score 4.9 Attack Range Local
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Severity Rating: Important
Revision Note: V1.2 (April 7, 2016): Updated the footnotes following the Affected Software and Vulnerability Severity Ratings table to further clarify installation order for security update 3101746 in MS15-115, 3081320 in MS15-121, and 3101246 in MS15-122. This is an informational change only. Customers who have already successfully installed the update do not need to take any action.
Summary: This security update resolves a security feature bypass in Microsoft Windows. An attacker could bypass Kerberos authentication on a target machine and decrypt drives protected by BitLocker. The bypass can be exploited only if the target system has BitLocker enabled without a PIN or USB key.

Original Source

Url : https://technet.microsoft.com/en-us/library/security/MS15-122

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-255 Credentials Management

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2
Os 1
Os 1
Os 1
Os 3
Os 2
Os 1

Nessus® Vulnerability Scanner

Date Description
2015-11-10 Name : The remote Windows host is affected by a security feature bypass vulnerability.
File : smb_nt_ms15-122.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2016-12-07 21:26:49
  • Multiple Updates
2016-04-27 05:02:15
  • Multiple Updates
2016-04-08 00:27:32
  • Multiple Updates
2016-04-08 00:16:25
  • Multiple Updates
2015-12-10 05:27:40
  • Multiple Updates
2015-12-10 05:16:18
  • Multiple Updates
2015-11-12 21:28:45
  • Multiple Updates
2015-11-11 17:27:46
  • Multiple Updates
2015-11-11 13:26:06
  • Multiple Updates
2015-11-10 21:28:10
  • Multiple Updates
2015-11-10 21:16:40
  • First insertion