MS13-100 - Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (2904244)

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Details
Vulnerability name/brief description MS13-100 - Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (2904244)
CVE/CAN name
Vendor threat level Important
SophosLabs threat level Medium
Solution MS13-100
Vendor description This security update resolves multiple privately reported vulnerabilities in Microsoft Office server software. These vulnerabilities could allow remote code execution if an authenticated attacker sends specially crafted page content to a SharePoint server. An attacker who successfully exploited these vulnerabilities could run arbitrary code in the security context of the W3WP service account on the target SharePoint site.
SophosLabs comments This is a privately disclosed vulnerability. As a result, SophosLabs expects the impact of this exploit to be mitigated.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits No currently known exploits found
First sample seen No samples found
Discovery date 10 Dec 2013
Affected software Microsoft SharePoint Server 2013 with Microsoft SharePoint Server 2013
Microsoft SharePoint Server 2010 Service Pack 1 with Microsoft Business Productivity Servers
Microsoft SharePoint Server 2010 Service Pack 2 with Microsoft Business Productivity Servers
Microsoft SharePoint Server 2013 with Microsoft Business Productivity Servers
Microsoft SharePoint Server 2013 with Excel Services
Microsoft Office Web Apps 2013 with Microsoft Office Web Apps Server 2013
References
Credits
  • MAPP
Revisions
  • December 10, 2013 - Initial Revision 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.