CVE-2019-0545: Infoleak
First published: Tue Dec 18 2018(Updated: )
An information disclosure vulnerability exists in .NET Framework and .NET Core which allows bypassing Cross-origin Resource Sharing (CORS) configurations, aka ".NET Framework Information Disclosure Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7/4.7.1/4.7.2, .NET Core 2.1, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 2.2, Microsoft .NET Framework 4.7.2.
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/dotnet | <2.1.7 | 2.1.7 |
| redhat/dotnet | <2.2.1 | 2.2.1 |
| Microsoft .NET Framework | =2.0-sp2 | |
| Microsoft .NET Framework | =3.0-sp2 | |
| Microsoft Windows Server 2008 | =sp2 | |
| Microsoft .NET Framework | =3.5 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1703 | |
| Microsoft Windows 10 | =1709 | |
| Microsoft Windows 10 | =1803 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 8.1 | ||
| Microsoft Windows Server 2012 | ||
| Microsoft Windows Server 2012 | =r2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft .NET Framework | =3.5.1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server 2008 | =r2-sp1 | |
| Microsoft Windows Server 2008 | =r2-sp1 | |
| Microsoft .NET Framework | =4.5.2 | |
| Microsoft Windows RT 8.1 | ||
| Microsoft .NET Framework | =4.6.2 | |
| Microsoft .NET Framework | =4.7 | |
| Microsoft .NET Framework | =4.7.1 | |
| Microsoft .NET Framework | =4.7.2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft .NET Framework | =4.6 | |
| Microsoft .NET Framework | =4.6.1 | |
| Microsoft Windows Server 2008 | =r2-sp1 | |
| Microsoft Windows Server | =1709 | |
| Microsoft Windows Server | =1803 | |
| Microsoft .NET Core | =2.1 | |
| Microsoft .NET Core | =2.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://www.securityfocus.com/bid/106405
- https://access.redhat.com/errata/RHSA-2019:0040
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545
- https://github.com/dotnet/announcements/issues/94
- https://github.com/dotnet/corefx/issues/34428
- https://bugzilla.redhat.com/show_bug.cgi?id=1660632
Frequently Asked Questions
What is CVE-2019-0545?
CVE-2019-0545 is an information disclosure vulnerability in .NET Framework and .NET Core.
How severe is CVE-2019-0545?
CVE-2019-0545 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2019-0545?
CVE-2019-0545 affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, and Microsoft .NET Core 2.1 and 2.2.
How can I fix CVE-2019-0545?
To fix CVE-2019-0545, update your Microsoft .NET Framework or .NET Core installation to version 2.1.7, 2.2.1, or newer.
Where can I find more information about CVE-2019-0545?
You can find more information about CVE-2019-0545 at the following references: - [http://www.securityfocus.com/bid/106405](http://www.securityfocus.com/bid/106405) - [https://access.redhat.com/errata/RHSA-2019:0040](https://access.redhat.com/errata/RHSA-2019:0040) - [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545)
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2019-0545
- agent/software-canonical-lookup
- agent/severity
- agent/author
- agent/references
- agent/remedy
- agent/weakness
- agent/description
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/tags
- collector/mitre-cve
- source/MITRE
- package-manager/redhat
- vendor/microsoft
- canonical/microsoft .net framework
- version/microsoft .net framework/2.0-sp2
- version/microsoft .net framework/3.0-sp2
- canonical/microsoft windows server 2008
- version/microsoft windows server 2008/sp2
- version/microsoft .net framework/3.5
- canonical/microsoft windows 10
- version/microsoft windows 10/1607
- version/microsoft windows 10/1703
- version/microsoft windows 10/1709
- version/microsoft windows 10/1803
- version/microsoft windows 10/1809
- canonical/microsoft windows 8.1
- canonical/microsoft windows server 2012
- version/microsoft windows server 2012/r2
- canonical/microsoft windows server 2016
- canonical/microsoft windows server 2019
- version/microsoft .net framework/3.5.1
- canonical/microsoft windows 7
- version/microsoft windows 7/sp1
- version/microsoft windows server 2008/r2-sp1
- version/microsoft .net framework/4.5.2
- canonical/microsoft windows rt 8.1
- version/microsoft .net framework/4.6.2
- version/microsoft .net framework/4.7
- version/microsoft .net framework/4.7.1
- version/microsoft .net framework/4.7.2
- version/microsoft .net framework/4.6
- version/microsoft .net framework/4.6.1
- canonical/microsoft windows server
- version/microsoft windows server/1709
- version/microsoft windows server/1803
- canonical/microsoft .net core
- version/microsoft .net core/2.1
- version/microsoft .net core/2.2