MS13-082 - Vulnerabilities in .NET Framework Could Allow Remote Code Execution (2878890)

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Details
Vulnerability name/brief description MS13-082 - Vulnerabilities in .NET Framework Could Allow Remote Code Execution (2878890)
CVE/CAN name
Vendor threat level Critical
SophosLabs threat level High
Solution MS13-082
Vendor description This security update resolves two privately reported vulnerabilities and one publicly disclosed vulnerability in Microsoft .NET Framework. The most severe of the vulnerabilities could allow remote code execution if a user visits a website containing a specially crafted OpenType font (OTF) file using a browser capable of instantiating XBAP applications.
SophosLabs comments Successfully exploiting the OpenType Font vulnerability will give an attacker full access to the affected system.
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 Oct 2013
Affected software Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.0 Service Pack 2
Microsoft .NET Framework 3.5 No Service Pack and Service Pack 1
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4
Microsoft .NET Framework 4.5
References
Credits
  • MAPP
Revisions
  • October 8, 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.