NetSight
medium4.7Public exploit code

CVE-2019-0948

An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an exte…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration. To exploit the vulnerability, an attacker could create a file containing specially crafted XML content and convince an authenticated user to import the file. The update addresses the vulnerability by modifying the way that the Event Viewer parses XML input.

Affected products

VendorProductAffected versions
MicrosoftWindows 10
All versions
Versions 1607, 1703, 1709, 1803, 1809
MicrosoftWindows 7
All versions
MicrosoftWindows 8.1
All versions
MicrosoftWindows Rt 8.1
All versions
MicrosoftWindows Server 2008
All versions
Version r2
MicrosoftWindows Server 2012
All versions
Version r2
MicrosoftWindows Server 2016
All versions
Versions 1803, 1903
MicrosoftWindows Server 2019
All versions

Weakness classification

References