Unknown [CVE-2020-1069] Microsoft SharePoint Server Remote Code Execution Vulnerability
This security Microsoft Server advisory covers CVE-2020-1069 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 Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process.
To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server. The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.
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 Microsoft SharePoint Server handles processing of created content.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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