CVE-2019-1142

Description

An elevation of privilege vulnerability exists when the .NET Framework common language runtime (CLR) allows file creation in arbitrary locations, aka '.NET Framework Elevation of Privilege Vulnerability'.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.46%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft .NET Framework 4.5.2
Affected: Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows RT 8.1
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems
Affected: Microsoft Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)
Affected: Microsoft Microsoft .NET Framework 3.5
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1142 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-1142?
CVE-2019-1142 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1142?
To fix CVE-2019-1142, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1142 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1142 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1142?
CVE-2019-1142 affects Microsoft Microsoft .NET Framework 4.5.2, Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012, Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation), Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems, Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems, Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2, Microsoft Microsoft .NET Framework 4.8 on Windows RT 8.1, Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation), Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016, Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems, Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems, Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation), Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems, Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems, Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems, Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems, Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems, Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems, Microsoft Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation), Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems, Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems, Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019, Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation), Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems, Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems, Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation), Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019, Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation), Microsoft Microsoft .NET Framework 3.5.
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