Executive Summary

Summary
TitleVulnerability in .NET Framework Could Allow Information Disclosure (3048010)
Informations
NameMS15-041First vendor Publication2015-04-14
VendorMicrosoftLast vendor Modification2015-05-12
Severity (Vendor) ImportantRevision2.0

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:N/C:P/I:N/A:N)
Cvss Base Score2.6Attack RangeNetwork
Cvss Impact Score2.9Attack ComplexityHigh
Cvss Expoit Score4.9AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

Severity Rating: Important
Revision Note: V2.0 (May 12, 2015): V2.0 (May 12, 2015): Bulletin re-released to address issues with the 3037580 update for Microsoft .NET Framework 4.5/4.5.1/4.5.2 on affected editions of Microsoft Windows. Customers running these versions of .NET Framework are encouraged to install the new version of the 3037580 update to be protected from the vulnerability discussed in this bulletin. See Microsoft Knowledge Base Article 3037580 for more information.
Summary: This security update resolves a vulnerability in Microsoft .NET Framework. The vulnerability could allow information disclosure if an attacker sends a specially crafted web request to an affected server that has custom error messages disabled. An attacker who successfully exploited the vulnerability would be able to view parts of a web configuration file, which could expose sensitive information.

Original Source

Url : https://technet.microsoft.com/en-us/library/security/MS15-041

CWE : Common Weakness Enumeration

%idName
100 %CWE-19Data Handling

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:28116
 
Oval ID: oval:org.mitre.oval:def:28116
Title: ASP.NET information disclosure vulnerability - CVE-2015-1648 (MS15-041)
Description: ASP.NET in Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2, when the customErrors configuration is disabled, allows remote attackers to obtain sensitive configuration-file information via a crafted request, aka "ASP.NET Information Disclosure Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2015-1648
Version: 4
Platform(s): Microsoft Windows 7
Microsoft Windows 8
Microsoft Windows 8.1
Microsoft Windows Vista
Microsoft Windows Server 2003
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Product(s): Microsoft .NET Framework 1.1
Microsoft .NET Framework 2.0
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4.0
Microsoft .NET Framework 4.5
Microsoft .NET Framework 4.5.1
Microsoft .NET Framework 4.5.2
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application8

Information Assurance Vulnerability Management (IAVM)

DateDescription
2015-04-16IAVM : 2015-A-0089 - Microsoft .NET Framework Information Disclosure Vulnerability (MS15-041)
Severity : Category I - VMSKEY : V0059893

Snort® IPS/IDS

DateDescription
2015-05-14Web.config information disclosure attempt
RuleID : 34088 - Revision : 3 - Type : SERVER-IIS

Nessus® Vulnerability Scanner

DateDescription
2015-04-14Name : The version of the Microsoft .NET Framework installed on the remote host is a...
File : smb_nt_ms15-041.nasl - Type : ACT_GATHER_INFO

Alert History

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DateInformations
2015-10-18 17:26:32
  • Multiple Updates
2015-05-14 21:26:35
  • Multiple Updates
2015-05-12 21:30:28
  • Multiple Updates
2015-05-12 21:17:26
  • Multiple Updates
2015-04-16 05:30:19
  • Multiple Updates
2015-04-15 13:28:36
  • Multiple Updates
2015-04-15 05:31:37
  • Multiple Updates
2015-04-14 21:30:23
  • Multiple Updates
2015-04-14 21:16:40
  • First insertion