Microsoft Windows up to Server 2025 Lightweight Directory Access Protocol integer overflow

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Microsoft Windows. Affected by this vulnerability is an unknown functionality of the component Lightweight Directory Access Protocol. This manipulation causes integer overflow. This vulnerability is tracked as CVE-2024-49112. The attack is possible to be carried out remotely. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows and classified as very critical. Affected by this vulnerability is an unknown functionality of the component Lightweight Directory Access Protocol. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/10/2024 as confirmed security update guide (Website). The advisory is shared at msrc.microsoft.com. This vulnerability is known as CVE-2024-49112. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 12/11/2024).

The vulnerability scanner Nessus provides a plugin with the ID 212240 (KB5048676: Windows Server 2008 R2 Security Update (December 2024)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (212240). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 10
• 10 21H2
• 10 22H2
• 10 1607
• 10 1809
• 11 22H2
• 11 23H2
• 11 24H2
• Server 2008 R2 SP1
• Server 2008 SP2
• Server 2012
• Server 2012 R2
• Server 2016
• Server 2019
• Server 2022
• Server 2022 23H2
• Server 2025

License

• commercial

Website

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

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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