OS Command Injection Affecting php81 package, versions <8.1.29-r0


Severity

Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    96.32% (100th percentile)

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  • Snyk ID SNYK-ALPINE319-PHP81-7221943
  • published 8 Jun 2024
  • disclosed 9 Jun 2024

How to fix?

Upgrade Alpine:3.19 php81 to version 8.1.29-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php81 package and not the php81 package as distributed by Alpine. See How to fix? for Alpine:3.19 relevant fixed versions and status.

In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, when using Apache and PHP-CGI on Windows, if the system is set up to use certain code pages, Windows may use "Best-Fit" behavior to replace characters in command line given to Win32 API functions. PHP CGI module may misinterpret those characters as PHP options, which may allow a malicious user to pass options to PHP binary being run, and thus reveal the source code of scripts, run arbitrary PHP code on the server, etc.

References

CVSS Scores

version 3.1
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NVD

Recommended
9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

9.8 critical