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CVE-2017-9785: Deserialization of Untrusted Data

May 17, 2022 (updated June 30, 2022)

Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie.

References

  • github.com/NancyFx/Nancy/releases/tag/v1.4.4
  • github.com/advisories/GHSA-mx3q-j2g2-5qxq
  • nvd.nist.gov/vuln/detail/CVE-2017-9785

Code Behaviors & Features

Detect and mitigate CVE-2017-9785 with GitLab Dependency Scanning

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Affected versions

All versions up to 1.4.3, all versions starting from 2.0.0-alpha up to 2.0.0-clinteastwood

Fixed versions

  • 1.4.4
  • 2.0.0

Solution

Upgrade to version 1.4.4, 2.0.0 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-352: Cross-Site Request Forgery (CSRF)
  • CWE-502: Deserialization of Untrusted Data

Source file

nuget/Nancy/CVE-2017-9785.yml

Spotted a mistake? Edit the file on GitLab.

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