Unknown [CVE-2020-1024] Microsoft SharePoint Remote Code Execution Vulnerability
This security Microsoft Server advisory covers CVE-2020-1024 affecting Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Foundation 2013 Service Pack 1, Microsoft SharePoint Server 2019.
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Summary
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.
Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint. The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.
Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019.
- Microsoft SharePoint Enterprise Server 2016 16.0.0 before publication
- Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.0 before publication
- Microsoft SharePoint Server 2019 16.0.0 before publication
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
- publication
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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