Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2019-1257 is fixed in 4 products on 1 platform, first by KB4475590, released September 10, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
<p>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.</p> <p>Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.</p> <p>The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft SharePoint Enterprise Server 2016 | KB4475590 | Sep 10, 2019 | |
| Microsoft SharePoint Foundation 2010 Service Pack 2 | KB4475605 | Sep 10, 2019 | |
| Microsoft SharePoint Foundation 2013 Service Pack 1 | KB4484098 | Sep 10, 2019 | |
| Microsoft SharePoint Server 2019 | KB4475596 | Sep 10, 2019 | |
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