.NET Core Denial of Service Vulnerability
Released: Sep 10, 2019
Last updated: Sep 12, 2019
- Assigning CNA
- Microsoft
- CVE.org link
- CVE-2019-1301
- Impact
- Denial of Service
- Max Severity
- Important
Executive Summary
A denial of service vulnerability exists when .NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .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 .NET Core application.
The update addresses the vulnerability by correcting how the .NET Core web application handles web requests.
Exploitability
The following table provides an exploitability assessment for this vulnerability at the time of original publication.
- Publicly disclosed
- No
- Exploited
- No
- Exploitability assessment
- Exploitation Less Likely
Acknowledgements
- Paul Ryman of VMware Sydney Engineering Team
Security Updates
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle.
Disclaimer
Revisions
Revised the Security Updates table to include PowerShell Core 6.1 and 6.2 because they are affected by CVE-2019-1301. See https://github.com/PowerShell/PowerShell/security/advisories/GHSA-62gw-3rmj-wmp2 for more information.
Information published.