CVE-2017-8585 Improper Input Validation in Microsoft.NETCore.App

What is CVE-2017-8585?

CVE-2017-8585 is a high-severity denial of service vulnerability in Microsoft .Net Framework, published on 11 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Microsoft .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7 allow an attacker to send specially crafted requests to a .NET web application, resulting in denial of service, aka .NET Denial of Service Vulnerability.

Weakness: CWE-20

Which versions are affected by CVE-2017-8585?

4 open source packages ship an affected version, including Microsoft.NETCore.App. It affects 1 product.

Products include Microsoft .Net Framework.

How do I fix CVE-2017-8585?

Upgrade Microsoft.NETCore.App to a fixed version for your release line: 1.0.7 or 1.1.4.

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-2017-8585 being exploited?

There is no known exploitation of CVE-2017-8585 in the wild and no public exploit code.

Other vulnerabilities in Microsoft .Net Framework

• CVE-2020-0646 Microsoft .NET Framework Remote Code Execution Exploited Critical 9.8
• CVE-2017-8759 Microsoft .NET Framework Remote Code Execution Exploited High 7.8
• CVE-2015-1671 Microsoft Windows Remote Code Execution Exploited High 7.8
• CVE-2024-29059 Microsoft .NET Framework Information Disclosure Exploited High 7.5
• CVE-2014-4073 Privilege escalation in n/a Critical 10.0

All Microsoft .Net Framework vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8884-xcr4-r68p.