CVE-2019-1301 High severity vulnerability that affects System.Management.Automation
Attackers can cause a denial of service in .NET Core applications by sending improperly handled web requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-1301?
CVE-2019-1301 is a high-severity denial of service vulnerability in Microsoft .NET Core, published on 11 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service vulnerability exists when .NET Core improperly handles web requests, aka '.NET Core Denial of Service Vulnerability'.
Which versions are affected by CVE-2019-1301?
4 open source packages ship an affected version, including System.Management.Automation. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
System.Management.Automation NuGet | From 6.0.0 | 6.1.6 |
System.Management.Automation NuGet | From 6.0.0 | 6.1.6 |
System.Management.Automation NuGet | From 6.2.0 | 6.2.3 |
System.Management.Automation NuGet | From 6.2.0 | 6.2.3 |
Linux distribution packages (29)
dotnet Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.509-1.el8_0 |
dotnet-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.509-1.el8_0 |
dotnet-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.509-1.el8_0 |
dotnet-host Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.13-1.el8_0 |
dotnet-host-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.13-1.el8_0 |
dotnet-host-fxr-2.1 Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.13-1.el8_0 |
dotnet-host-fxr-2.1-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.13-1.el8_0 |
dotnet-runtime-2.1 Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.13-1.el8_0 |
dotnet-runtime-2.1-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.13-1.el8_0 |
dotnet-sdk-2.1 Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.509-1.el8_0 |
dotnet-sdk-2.1.5xx Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.509-1.el8_0 |
dotnet-sdk-2.1.5xx-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.1.509-1.el8_0 |
rh-dotnet21 Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1-12.el7 |
rh-dotnet21-dotnet Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1.509-1.el7 |
rh-dotnet21-dotnet-debuginfo Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1.509-1.el7 |
rh-dotnet21-dotnet-host Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1.13-1.el7 |
rh-dotnet21-dotnet-runtime-2.1 Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1.13-1.el7 |
rh-dotnet21-dotnet-sdk-2.1 Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1.509-1.el7 |
rh-dotnet21-dotnet-sdk-2.1.5xx Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1.509-1.el7 |
rh-dotnet21-runtime Red Hat:rhel_dotnet:2.1::el7 | All versions | 0:2.1-12.el7 |
rh-dotnet22 Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2-9.el7 |
rh-dotnet22-dotnet Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2.109-1.el7 |
rh-dotnet22-dotnet-debuginfo Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2.109-1.el7 |
rh-dotnet22-dotnet-host Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2.7-1.el7 |
rh-dotnet22-dotnet-host-fxr-2.2 Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2.7-1.el7 |
rh-dotnet22-dotnet-runtime-2.2 Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2.7-1.el7 |
rh-dotnet22-dotnet-sdk-2.2 Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2.109-1.el7 |
rh-dotnet22-dotnet-sdk-2.2.1xx Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2.109-1.el7 |
rh-dotnet22-runtime Red Hat:rhel_dotnet:2.2::el7 | All versions | 0:2.2-9.el7 |
Products include Microsoft .Net Core, Microsoft Powershell Core.
How do I fix CVE-2019-1301?
Upgrade System.Management.Automation to a fixed version for your release line: 6.1.6 or 6.2.3.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-1301 being exploited?
There is no known exploitation of CVE-2019-1301 in the wild and no public exploit code.
Other vulnerabilities in Microsoft .NET Core
- CVE-2020-1147 Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution
- CVE-2020-0605 Code injection in .NET Core
- CVE-2020-0606 Remote code execution in Microsoft.WindowsDesktop.App.Ref
- CVE-2019-0820 Regular Expression Denial of Service in System.Text.RegularExpressions
- CVE-2019-0980 Denial of service in ASP.NET Core
Sources
Also known as GHSA-62gw-3rmj-wmp2, RHSA-2019:2731, RHSA-2019:2732.