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CVE-2020-8165: Deserialization of Untrusted Data

June 19, 2020 (updated October 17, 2020)

A deserialization of untrusted data vulnernerability exists in rails that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-8165

Code Behaviors & Features

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Affected versions

All versions before 5.2.4.3, all versions starting from 6.0.0 before 6.0.3.1

Fixed versions

  • 5.2.4.3
  • 6.0.3.1

Solution

Upgrade to versions 5.2.4.3, 6.0.3.1 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data

Source file

gem/rails/CVE-2020-8165.yml

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