CVE-2020-1597
High
Description
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application. The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Microsoft Asp.net Core
PublishedAug 17, 2020
First seenAug 17, 2020
How to fix
Update
- Microsoft.AspNetCore.App2.1.21 or later
- Microsoft.AspNetCore.All2.1.21 or later
- Microsoft.AspNetCore.App.Runtime.linux-arm3.1.7 or later
- Microsoft.AspNetCore.App.Runtime.linux-arm643.1.7 or later
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm643.1.7 or later
- Microsoft.AspNetCore.App.Runtime.linux-musl-x643.1.7 or later
- Microsoft.AspNetCore.App.Runtime.linux-x643.1.7 or later
- Microsoft.AspNetCore.App.Runtime.osx-x643.1.7 or later
- Microsoft.AspNetCore.App.Runtime.win-arm3.1.7 or later
- Microsoft.AspNetCore.App.Runtime.win-arm643.1.7 or later
- Microsoft.AspNetCore.App.Runtime.win-x643.1.7 or later
- Microsoft.AspNetCore.App.Runtime.win-x863.1.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft asp.net_core | 2.1, 3.1 | — |
| microsoft visual_studio_2017 | 15.0 ≤ v ≤ 15.8 | — |
| microsoft visual_studio_2019 | 16.0 ≤ v ≤ 16.3, 16.5 ≤ v ≤ 16.6 | — |
| fedoraproject fedora | 32, 33 | — |
| Microsoft.AspNetCore.AppNuGet | 2.1.0 ≤ v < 2.1.21 | 2.1.21 |
| Microsoft.AspNetCore.AllNuGet | 2.1.0 ≤ v < 2.1.21 | 2.1.21 |
| Microsoft.AspNetCore.App.Runtime.linux-armNuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.linux-x64NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.osx-x64NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.win-armNuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.win-arm64NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.win-x64NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
| Microsoft.AspNetCore.App.Runtime.win-x86NuGet | 3.1.0 ≤ v < 3.1.7 | 3.1.7 |
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