CVE-2019-1257: Input Validation

Published Sep 11, 2019

Updated

A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-1295, CVE-2019-1296.

Affected Software

4 affected components

Microsoft SharePoint Enterprise Server=2016

Microsoft SharePoint Foundation=2010-sp2

Microsoft SharePoint Foundation=2013-sp1

Microsoft SharePoint Server=2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1257

Event History

Sep 11, 2019

CVE Published

via MITRE·09:24 PM

Data Sourced

via MITRE·09:24 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2019-1257?

CVE-2019-1257 has a critical severity rating due to its potential for remote code execution.

How do I fix CVE-2019-1257?

To mitigate CVE-2019-1257, apply the latest security updates provided by Microsoft for the affected SharePoint products.

Which versions of SharePoint are affected by CVE-2019-1257?

CVE-2019-1257 affects Microsoft SharePoint Enterprise Server 2016, SharePoint Foundation 2010 SP2, SharePoint Foundation 2013 SP1, and SharePoint Server 2019.

What type of vulnerability is CVE-2019-1257?

CVE-2019-1257 is classified as a remote code execution vulnerability.

Can CVE-2019-1257 be exploited remotely?

Yes, CVE-2019-1257 can be exploited remotely due to inadequate validation of application package markup.