MS12-050 - Vulnerabilities in SharePoint Could Allow Elevation of Privilege (2695502)

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Details
Vulnerability name/brief description MS12-050 - Vulnerabilities in SharePoint Could Allow Elevation of Privilege (2695502)
CVE/CAN name
Vendor threat level Important
SophosLabs threat level Medium
Solution MS12-050
Vendor description This security update resolves one publicly disclosed and five privately reported vulnerabilities in Microsoft SharePoint and Windows SharePoint Services. The most severe vulnerabilities could allow elevation of privilege if a user clicks a specially crafted URL that takes the user to a targeted SharePoint site.
SophosLabs comments The update modifies how HTML strings are sanitized and how Microsft Sharepoint deals with user input.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits
First sample seen No samples found
Discovery date 10 Jul 2012
Affected software Microsoft InfoPath 2007 Service Pack 2
Microsoft InfoPath 2007 Service Pack 3
Microsoft InfoPath 2010 (32-bit editions) No Service Pack and Service Pack 1
Microsoft InfoPath 2010 (64-bit editions) No Service Pack and Service Pack 1
Microsoft Office SharePoint Server 2007 Service Packs 2 and 3 (32-bit editions)
Microsoft Office SharePoint Server 2007 Service Packs 2 and 3 (64-bit editions)
Microsoft SharePoint Server 2010 Service Pack 1
Microsoft Groove Server 2010 Service Pack 1
Microsoft Windows SharePoint Services 3.0 Service Pack 2 (32-bit version)
Microsoft Windows SharePoint Services 3.0 Service Pack 2 (64-bit version)
Microsoft SharePoint Foundation 2010 Service Pack 1
References
Credits
  • MAPP
Revisions
  • July 10, 2012 - 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.