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CVE-2018-0765: Improper Restriction of XML External Entity Reference

October 16, 2018 (updated August 31, 2021)

A denial of service vulnerability exists when .NET and .NET Core improperly process XML documents, aka “.NET and .NET Core Denial of Service Vulnerability.” This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.7.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7/4.7.1, Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, Microsoft .NET Framework 4.6.2/4.7/4.7.1, .NET Core 2.0, Microsoft .NET Framework 4.7.2.

References

  • github.com/advisories/GHSA-35hc-x2cw-2j4v
  • nvd.nist.gov/vuln/detail/CVE-2018-0765

Code Behaviors & Features

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Affected versions

All versions before 4.4.2

Fixed versions

  • 4.4.2

Solution

Upgrade to version 4.4.2 or above.

Impact 7.5 HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-611: Improper Restriction of XML External Entity Reference

Source file

nuget/System.Security.Cryptography.Xml/CVE-2018-0765.yml

Spotted a mistake? Edit the file on GitLab.

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