HTTP: Microsoft Sharepoint Server DataFormWebPart Server-side Include Injection

This signature detects attempts to exploit a known vulnerability against Microsoft Sharepoint Server. A successful attack can lead to arbitrary code execution.

Extended Description

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

Microsoft sharepoint_server

References

CVE: CVE-2020-16952

URL: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952

Short Name

HTTP:CTS:MS-SHAREPTS-DFORM-SSI

Severity

Minor

Recommended

True

Recommended Action

Drop

HTTP: Microsoft Sharepoint Server DataFormWebPart Server-side Include Injection

Extended Description

Affected Products

References

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