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  5. CVE-2021-36793

CVE-2021-36793: Exposure of Resource to Wrong Sphere

September 2, 2021

The routes (aka Extbase Yaml Routes) extension before 2.1.1 for TYPO3, when CsrfTokenViewHelper is used, allows Sensitive Information Disclosure because a session identifier is unsafely present in HTML output.

References

  • github.com/advisories/GHSA-vpw5-grxx-v396
  • nvd.nist.gov/vuln/detail/CVE-2021-36793
  • typo3.org/security/advisory/typo3-ext-sa-2021-008

Code Behaviors & Features

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Affected versions

All versions before 2.1.1

Fixed versions

  • 2.1.1

Solution

Upgrade to version 2.1.1 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-352: Cross-Site Request Forgery (CSRF)
  • CWE-668: Exposure of Resource to Wrong Sphere

Source file

packagist/lms/routes/CVE-2021-36793.yml

Spotted a mistake? Edit the file on GitLab.

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