QID 38869

Date Published: 2022-06-01

QID 38869: Hypertext Preprocessor (PHP) Use After free Vulnerability

PHP is a general purpose scripting language that is especially suited for web development and can be embedded into HTML.

Affected Versions:
PHP 7.4.0 prior to version 7.4.28
PHP 8.0.0 prior to version 8.0.16
PHP 8.1.0 prior to version 8.1.3

QID Detection Logic
The qid checks the php version via banner.

A successful exploit may lead to use after free and remote code execution

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Customers are advised to upgrade to the latest versions 7.4.28, 8.0.16, 8.1.3.
    Vendor References

    CVEs related to QID 38869

    CVE-2021-21708 |
    Software Advisories
    Advisory ID Software Component Link
    81708 URL Logo bugs.php.net/bug.php?id=81708
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