Microsoft Windows up to Server 2019 ActiveX memory corruption

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows. The affected element is an unknown function of the component ActiveX. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2019-0888. The attack may be launched remotely. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System) and classified as critical. Affected by this issue is an unknown code block of the component ActiveX. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A remote code execution vulnerability exists in the way that ActiveX Data Objects (ADO) handle objects in memory, aka 'ActiveX Data Objects (ADO) Remote Code Execution Vulnerability'.

The weakness was shared 06/11/2019 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2019-0888 since 11/26/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/20/2025). The advisory points out:

A remote code execution vulnerability exists in the way that ActiveX Data Objects (ADO) handle objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code with the victim user’s privileges.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 91544 (Microsoft Windows Security Update for June 2019).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-136286, VDB-136287, VDB-136296 and VDB-136309 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 7 SP1
• 8.1
• 10
• 10 1607
• 10 1703
• 10 1709
• 10 1803
• 10 1809
• 10 1903
• RT 8.1
• Server 1803
• Server 1903
• Server 2008 R2 SP1
• Server 2008 SP2
• Server 2012
• Server 2012 R2
• Server 2016
• Server 2019

License

• commercial

Website

• Vendor: https://www.microsoft.com/
• Product: https://www.microsoft.com/en-us/windows

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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