Security Announcements

1. [20181005] - Core - CSRF hardening in com_installer
   • Project: Joomla!
   • SubProject: CMS
   • Impact: Moderate
   • Severity: Low
   • Versions: 2.5.0 through 3.8.12
   • Exploit type: CSRF
   • Reported Date: 2018-September-26
   • Fixed Date: 2018-October-02
   • CVE Number: CVE-2018-17858

   Description

   Added additional CSRF hardening in com_installer actions in the backend.

   Affected Installs

   Joomla! CMS versions 2.5.0 through 3.8.12

   Solution

   Upgrade to version 3.8.13

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By: Raviraj A. Powar

   

   
2. [20181004] - Core - ACL Violation in com_users for the admin verification
   • Project: Joomla!
   • SubProject: CMS
   • Impact: Moderate
   • Severity: Low
   • Versions: 1.5.0 through 3.8.12
   • Exploit type: ACL Violation
   • Reported Date: 2017-December-27
   • Fixed Date: 2018-October-02
   • CVE Number: CVE-2018-17855

   Description

   In case that an attacker gets access to the mail account of an user who can approve admin verifications in the registration process he can activate himself.

   Affected Installs

   Joomla! CMS versions 1.5.0 through 3.8.12

   Solution

   Upgrade to version 3.8.13

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By: Paul Freeman

   

   
3. [20181003] - Core - Access level Violation in com_tags
   • Project: Joomla!
   • SubProject: CMS
   • Impact: Moderate
   • Severity: Low
   • Versions: 3.1.0 through 3.8.12
   • Exploit type: ACL Violation
   • Reported Date: 2018-June-20
   • Fixed Date: 2018-October-02
   • CVE Number: CVE-2018-17857

   Description

   Inadequate checks on the tags search fields can lead to an access level violation.

   Affected Installs

   Joomla! CMS versions 3.1.0 through 3.8.12

   Solution

   Upgrade to version 3.8.13

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By: Андрей Капитанов

   

   
4. [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

   

   
5. [20181001] - Core - Hardening com_contact contact form
   • Project: Joomla!
   • SubProject: CMS
   • Impact: Moderate
   • Severity: Low
   • Versions: 2.5.0 through 3.8.12
   • Exploit type: Incorrect Access Control
   • Reported Date: 2018-September-17
   • Fixed Date: 2018-October-02
   • CVE Number: CVE-2018-17859

   Description

   Inadequate checks in com_contact could allowed mail submission in disabled forms.

   Affected Installs

   Joomla! CMS versions 2.5.0 through 3.8.12

   Solution

   Upgrade to version 3.8.13

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By: David Jardin (JSST)