Microsoft Internet Explorer 9/10/11 Scripting Engine memory corruption

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 9/10/11. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component Scripting Engine. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2016-3207. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Internet Explorer 9/10/11 (Web Browser). Affected by this vulnerability is an unknown code block of the component Scripting Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 06/14/2016 as MS16-063 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is known as CVE-2016-3207 since 03/15/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/24/2022). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 91596 (MS16-063: Cumulative Security Update for Internet Explorer (3163649)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91234 (Microsoft JScript and VBScript Remote Code Execution Vulnerabilities (MS16-069)).

Applying the patch MS16-063 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91596). The entries VDB-87928, VDB-87934, VDB-87935 and VDB-87962 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Microsoft

Name

• Internet Explorer

Version

• 9
• 10
• 11

License

• commercial

Support

• end of life

Website

• Vendor: https://www.microsoft.com/

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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