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Fencer Intel
high 7.5

CVE-2017-8585 json

Improper Input Validation in Microsoft.NETCore.App

published 2017-07-11 9 y ago modified 2026-06-17 4 mo ago also GHSA-8884-xcr4-r68p , EUVD-2022-3146

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.5%
EPSS 9.5% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

Patch / fix

  • nuget Microsoft.NETCore.App 1.0.7, 1.1.4
  • rh-dotnet20-dotnet RHEL 2.0 DOTNET 2.0.3-4.el7
  • rh-dotnet20-dotnet-host RHEL 2.0 DOTNET 2.0.3-4.el7
  • rh-dotnet20-dotnet-sdk-2.0 RHEL 2.0 DOTNET 2.0.3-4.el7
  • rh-dotnetcore10-dotnetcore RHEL 1.0 DOTNET 1.0.8-1.el7
  • rh-dotnetcore11-dotnetcore RHEL 1.1 DOTNET 1.1.5-1.el7
  • rh-dotnet20-dotnet-runtime-2.0 RHEL 2.0 DOTNET 2.0.3-4.el7

red hat advisories RHSA-2017:3248

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-8585 updated cvss 5.3

Core: DoS via invalid culture

  • Red Hat .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet20-dotnet 2.0.3-4.el7, rh-dotnet20-dotnet-host 2.0.3-4.el7, rh-dotnet20-dotnet-sdk-2.0 2.0.3-4.el7, rh-dotnetcore10-dotnetcore 1.0.8-1.el7, rh-dotnetcore11-dotnetcore 1.1.5-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.3-4.el7 Red Hat .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet20-dotnet 2.0.3-4.el7, rh-dotnet20-dotnet-host 2.0.3-4.el7, rh-dotnet20-dotnet-sdk-2.0 2.0.3-4.el7, rh-dotnetcore10-dotnetcore 1.0.8-1.el7, rh-dotnetcore11-dotnetcore 1.1.5-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.3-4.el7 Red Hat .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet20-dotnet 2.0.3-4.el7, rh-dotnet20-dotnet-host 2.0.3-4.el7, rh-dotnet20-dotnet-sdk-2.0 2.0.3-4.el7, rh-dotnetcore10-dotnetcore 1.0.8-1.el7, rh-dotnetcore11-dotnetcore 1.1.5-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.3-4.el7
    fixed: vendor fix RHSA-2017:3248

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

9.50% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
nuget Microsoft.NETCore.App
>=1.0.0, <1.0.7
>=1.1.0, <1.1.4
1.0.7
1.1.4

Affected products

  • Microsoft Corporation Microsoft .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.