PT-2020-2265 · Microsoft · Sharepoint Server+1
Published
2020-04-14
·
Updated
2022-11-21
·
CVE-2020-0971
CVSS v2.0
9.0
High
| Vector | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Microsoft SharePoint Server (affected versions not specified)
Microsoft SharePoint Foundation (affected versions not specified)
Microsoft SharePoint Enterprise Server (affected versions not specified)
Description
The issue is related to an unlimited file upload of a dangerous type, allowing a remote attacker to execute arbitrary code by uploading a specially crafted package. This can be achieved when the software fails to check the source markup of an application package. An attacker who successfully exploits this issue could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account. Exploitation requires a user to upload a specially crafted SharePoint application package to an affected version of SharePoint.
Recommendations
For Microsoft SharePoint Server, update to a version that includes a fix for this issue.
For Microsoft SharePoint Foundation, update to a version that includes a fix for this issue.
For Microsoft SharePoint Enterprise Server, update to a version that includes a fix for this issue.
As a temporary workaround, consider restricting the upload of application packages to trusted sources until a patch is available.
Restrict access to the
DataFormWebPart component to minimize the risk of exploitation.Fix
RCE
Unrestricted File Upload
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Weakness Enumeration
Related Identifiers
Affected Products
Sharepoint Server
Sharepoint Foundation