MS13-002 - Vulnerabilities in Microsoft XML Core Services Could Allow Remote Code Execution (2756145)

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Details
Vulnerability name/brief description MS13-002 - Vulnerabilities in Microsoft XML Core Services Could Allow Remote Code Execution (2756145)
CVE/CAN name
Vendor threat level Critical
SophosLabs threat level Medium
Solution MS13-002
Vendor description This security update resolves two privately reported vulnerabilities in Microsoft XML Core Services. The vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker would have no way to force users to visit such a website. Instead, an attacker would have to convince users to visit the website, typically by getting them to click a link in an email message or Instant Messenger message that takes the user to the attacker's website.
SophosLabs comments This vulnerability can be mitigated by the following actions: 1. Restrict access to msxml3.dll or msxml6.dll using access control lists. This action may cause web pages using XML to render incorrectly. 2. Block ActiveX controls and Active Scripting from running in Internet Explorer. This action may cause web pages to be rendered incorrectly.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits No currently known exploits found
First sample seen No samples found
Discovery date 08 Jan 2013
Affected software Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for Itanium-based Systems Service Pack 2
Windows 7 for 32-bit Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-based Systems
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Windows 8 for 32-bit Systems
Windows 8 for 64-bit Systems
Windows Server 2012
Windows RT
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012 (Server Core installation)
Microsoft Office 2003 Service Pack 3 with Microsoft XML Core Services 5.0 installed
Microsoft Office 2007 Service Packs 2 and 3 with Microsoft XML Core Services 5.0 installed
Microsoft Word Viewer with Microsoft XML Core Services 5.0 installed
Microsoft Office Compatibility Pack Service Packs 2 and 3 with Microsoft XML Core Services 5.0 installed
Microsoft Expression Web Service Packs 1 and 2 with Microsoft XML Core Services 5.0 installed
Microsoft Sharepoint Server 2007 (both 32 & 64 bit editions) Service Packs 2 and 3 with Microsoft XML Core Services 5.0 installed
Microsoft Groove Server 2007 Service Packs 2 and 3 with Microsoft XML Core Services 5.0 installed
References
Credits
  • MAPP
Revisions
  • January 8, 2013 - Initial analysis written

Explanation of terms

Vulnerability Name/Brief Description:

Vendor identifier plus a brief description of the type of attack.

CVE/CAN Name:

Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.

Vendor Threat Level:

Threat level assigned by the vendor

SophosLabs Threat Level:

Threat level assigned by SophosLabs

  • LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
  • MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
  • HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
  • CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.

Solution:

Vendor-supplied Patch identifier and recommended solution, or workaround if applicable.

Vendor Description:

Summary of the cause and potential effect of the vulnerability provided by the vendor.

SophosLabs Comments:

SophosLabs' opinions and observations of the vulnerability in question.

SophosLabs Testing Result:

Details of completed lab testing, if applicable. Please note that the lab test environment may differ significantly from user environments.

Currently Known Exploits:

List of identities for known exploits, if applicable.

First Sample Seen:

Date of the first sample seen by SophosLabs.

Discovery Date:

Date of the earliest known publically disclosed advisory.

Affected Software:

Vulnerable platforms and software versions.