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  5. CVE-2020-4043

CVE-2020-4043: Deserialization of Untrusted Data

June 10, 2020 (updated February 16, 2023)

phpMussel from versions 1.0.0 and less than 1.6.0 has an unserialization vulnerability in PHP’s phar wrapper. Uploading a specially crafted file to an affected version allows arbitrary code execution (discovered, tested, and confirmed by myself), so the risk factor should be regarded as very high. Newer phpMussel versions don’t use PHP’s phar wrapper, and are therefore unaffected. This has been fixed in version 1.6.0.

References

  • github.com/advisories/GHSA-qr95-4mq5-r3fh
  • github.com/phpMussel/phpMussel/commit/97f25973433921c1f953430f32d3081adc4851a4
  • github.com/phpMussel/phpMussel/issues/167
  • github.com/phpMussel/phpMussel/pull/173
  • github.com/phpMussel/phpMussel/security/advisories/GHSA-qr95-4mq5-r3fh
  • github.com/phpMussel/phpMussel/security/policy
  • nvd.nist.gov/vuln/detail/CVE-2020-4043

Code Behaviors & Features

Detect and mitigate CVE-2020-4043 with GitLab Dependency Scanning

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Affected versions

All versions starting from 1.0.0 before 1.6.0

Fixed versions

  • 1.6.0

Solution

Upgrade to version 1.6.0 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
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Source file

packagist/Maikuolan/phpMussel/CVE-2020-4043.yml

Spotted a mistake? Edit the file on GitLab.

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