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[20181002] - Core - Inadequate default access level for com_joomlaupdate

  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions: 2.5.4 through 3.8.12
  • Exploit type: Object Injection
  • Reported Date: 2018-June-21
  • Fixed Date: 2018-October-02
  • CVE Number: CVE-2018-17856

Description

Joomla’s com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled access of Administrator-level users to access com_joomlaupdate and trigger a code execution.

Affected Installs

Joomla! CMS versions 2.5.4 through 3.8.12

Solution

Upgrade to version 3.8.13

Contact

The JSST at the Joomla! Security Centre.

Reported By: Codesafescan