Important 2019-12 archive

Executive Summary

An information disclosure vulnerability exists in SharePoint Server. An attacker who exploited this vulnerability could read arbitrary files on the server. To exploit the vulnerability, an attacker would need to send a specially crafted request to a susceptible SharePoint Server instance. The update addresses the vulnerability by changing how affected APIs process requests.

Overview

Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Dec 10 2019
Last Updated Dec 10 2019
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Affected Products

4 affected products
Product KB Article Severity Impact Restart Required
Microsoft SharePoint Enterprise Server 2016 4484143 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Foundation 2010 Service Pack 2 4484165 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Foundation 2013 Service Pack 1 4484157 (Security Update) Important Information Disclosure Maybe
Microsoft SharePoint Server 2019 4484142 (Security Update) Important Information Disclosure Maybe

Patches

4 patches
Article Type Restart
4484143 Security Update Maybe
4484165 Security Update Maybe
4484157 Security Update Maybe
4484142 Security Update Maybe

Known Exploits

Acknowledgments

Saif ElSherei of MSRC Vulnerabilities and Mitigations Team