Microsoft Windows up to Server 2019 lnk File input validation

Summaryinfo

A vulnerability was found in Microsoft Windows. It has been rated as critical. Impacted is an unknown function of the component lnk File Handler. The manipulation leads to input validation. This vulnerability is referenced as CVE-2019-1280. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System) and classified as critical. This issue affects an unknown function of the component lnk File Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execution if a .LNK file is processed.An attacker who successfully exploited this vulnerability could gain the same user rights as the local user, aka 'LNK Remote Code Execution Vulnerability'.

The weakness was published 09/10/2019 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release has been coordinated with Microsoft. The identification of this vulnerability is CVE-2019-1280 since 11/26/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 08/19/2020). The advisory points out:

A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execution if a .LNK file is processed.

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

Similar entries are available at VDB-141579, VDB-141578 and VDB-141577. Be aware that VulDB is the high quality source for vulnerability data.

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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