Executive Summary

Summary
Title Vulnerability in TLS Could Allow Information Disclosure (2655992)
Informations
Name MS12-049 First vendor Publication 2012-07-10
Vendor Microsoft Last vendor Modification 2013-07-09
Severity (Vendor) Important Revision 1.1

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:N/AC:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Revision Note: V1.1 (July 9, 2013): Bulletin revised to announce a detection change in the Windows Vista packages for the 2655992 update to correct a Windows Update reoffering issue. This is a detection change only. Customers who have already successfully updated their systems do not need to take any action.

Summary: This security update resolves a publicly disclosed vulnerability in TLS. The vulnerability could allow information disclosure if an attacker intercepts encrypted web traffic served from an affected system. All cipher suites that do not use CBC mode are not affected.

Original Source

Url : http://technet.microsoft.com/en-us/security/bulletin/ms12-049

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-200 Information Exposure

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:15644
 
Oval ID: oval:org.mitre.oval:def:15644
Title: TLS Protocol Vulnerability - MS12-049
Description: The CBC mode in the TLS protocol, as used in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, and other products, allows remote web servers to obtain plaintext data by triggering multiple requests to a third-party HTTPS server and sniffing the network during the resulting HTTPS session, aka "TLS Protocol Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2012-1870
 Version: 5
Platform(s): Microsoft Windows 7
Microsoft Windows Server 2003
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Vista
Microsoft Windows XP
 Product(s):
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3
Os 1
Os 5
Os 2
Os 2

OpenVAS Exploits

Date Description
2012-07-11 Name : Microsoft Windows TLS Protocol Information Disclosure Vulnerability (2655992)
File : nvt/secpod_ms12-049.nasl

Information Assurance Vulnerability Management (IAVM)

Date Description
2012-07-12 IAVM : 2012-A-0108 - Microsoft TLS Protocol Information Disclosure Vulnerability
Severity : Category II - VMSKEY : V0033310

Nessus® Vulnerability Scanner

Date Description
2012-07-11 Name : The remote Windows host has an information disclosure vulnerability.
File : smb_nt_ms12-049.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2016-04-27 01:59:23
  • Multiple Updates
2014-02-17 11:47:23
  • Multiple Updates
2013-11-11 12:41:29
  • Multiple Updates
2013-07-09 21:29:50
  • Multiple Updates
2013-07-09 21:16:51
  • Multiple Updates