GHSA-8xc6-g8xw-h2c4
YARP Denial of Service Vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| NuGet | Yarp.ReverseProxy | < 1.0.1 | 1.0.1 |
| NuGet | Yarp.ReverseProxy | >= 1.1.0-rc.1.22152.1, < 1.1.0-rc.1.22211.2 | 1.1.0-rc.1.22211.2 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
A denial of service vulnerability exists in how YARP processes input.
### Patches
If you're using YARP `1.0.0`, you should update to NuGet package version [`1.0.1`](https://www.nuget.org/packages/Yarp.ReverseProxy/1.0.1).
If you're using YARP `1.1.0-RC.1`, you should update to NuGet package version [`1.1.0-rc.1.22211.2`](https://www.nuget.org/packages/Yarp.ReverseProxy/1.1.0-rc.1.22211.2).
You can do so by updating the `PackageReference` in your `.csproj` file
```diff
<ItemGroup>
- <PackageReference Include="Yarp.ReverseProxy" Version="1.0.0" />
- <PackageReference Include="Yarp.Telemetry.Consumption" Version="1.0.0" />
+ <PackageReference Include="Yarp.ReverseProxy" Version="1.0.1" />
+ <PackageReference Include="Yarp.Telemetry.Consumption" Version="1.0.1" />
</ItemGroup>
```
or by selecting `1.0.1` in the NuGet UI inside Visual Studio (`Manage NuGet Packages` / `Updates`)

### References
[CVE-2022-26924](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26924)
References
External links from the advisory. They lead to third-party sites.
- https://github.com/microsoft/reverse-proxy/security/advisories/GHSA-8xc6-g8xw-h2c4
- https://nvd.nist.gov/vuln/detail/CVE-2022-26924
- https://github.com/microsoft/reverse-proxy/commit/11e6272da17beb03d0b44a19d3c4f1ffa52b7c38
- https://github.com/microsoft/reverse-proxy
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26924
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26924