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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.0900
                      Joomla! Security Announcements
                               12 March 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Joomla core
Publisher:         Joomla
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Unknown/Unspecified
                   Cross-site Request Forgery      -- Unknown/Unspecified
                   Cross-site Scripting            -- Unknown/Unspecified
                   Unauthorised Access             -- Unknown/Unspecified
                   Reduced Security                -- Unknown/Unspecified
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-10243 CVE-2020-10242 CVE-2020-10241
                   CVE-2020-10240 CVE-2020-10239 CVE-2020-10238

Original Bulletin: 
   https://developer.joomla.org/security-centre/807-20200306-core-sql-injection-in-featured-articles-menu-parameters.html
   https://developer.joomla.org/security-centre/805-20200304-core-identifier-collisions-in-com-users.html
   https://developer.joomla.org/security-centre/806-20200305-core-incorrect-access-control-in-com-fields-sql-field.html
   https://developer.joomla.org/security-centre/804-20200303-core-incorrect-access-control-in-com-templates.html
   https://developer.joomla.org/security-centre/803-20200302-core-xss-in-protostar-and-beez3.html
   https://developer.joomla.org/security-centre/802-20200301-core-csrf-in-com-templates-image-actions.html

Comment: This bulletin contains six (6) Joomla security advisories.

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[20200306] - Core - SQL injection in Featured Articles menu parameters

  * Project: Joomla!
  * SubProject: CMS
  * Impact: High
  * Severity: Low
  * Versions: 1.7.0-3.9.15
  * Exploit type: SQL Injection
  * Reported Date: 2020-March-9
  * Fixed Date: 2020-March-10
  * CVE Number: CVE-2020-10243

Description

The lack of type casting of a variable in SQL statement leads to a SQL
injection vulnerability in the "Featured Articles" frontend menutype.

Affected Installs

Joomla! CMS versions 1.7.0 - 3.9.15

Solution

Upgrade to version 3.9.16

Contact

The JSST at the Joomla! Security Centre.

Reported By: Sam Thomas, Pentest.co.uk

- --------------------------------------------------------------------------------

[20200304] - Core - Identifier collisions in com_users

  * Project: Joomla!
  * SubProject: CMS
  * Impact: High
  * Severity: Low
  * Versions: 3.0.0-3.9.15
  * Exploit type: Other
  * Reported Date: 2020-February-07
  * Fixed Date: 2020-March-10
  * CVE Number: CVE-2020-10240

Description

Missing length checks in the user table can lead to the creation of users with
duplicate usernames and/or email addresses.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.15

Solution

Upgrade to version 3.9.16

Contact

The JSST at the Joomla! Security Centre.

Reported By: Lee Thao from Viettel Cyber Security

- --------------------------------------------------------------------------------

[20200305] - Core - Incorrect Access Control in com_fields SQL field

  * Project: Joomla!
  * SubProject: CMS
  * Impact: High
  * Severity: Low
  * Versions: 3.7.0-3.9.15
  * Exploit type: Incorrect Access Control
  * Reported Date: 2020-February-28
  * Fixed Date: 2020-March-10
  * CVE Number: CVE-2020-10239

Description

Incorrect Access Control in the SQL fieldtype of com_fields allows access for
non-superadmin users.

Affected Installs

Joomla! CMS versions 3.7.0 - 3.9.15

Solution

Upgrade to version 3.9.16

Contact

The JSST at the Joomla! Security Centre.

Reported By: HO?NG KI?N


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[20200303] - Core - Incorrect Access Control in com_templates

  * Project: Joomla!
  * SubProject: CMS
  * Impact: High
  * Severity: Low
  * Versions: 2.5.0-3.9.15
  * Exploit type: Incorrect Access Control
  * Reported Date: 2020-January-31
  * Fixed Date: 2020-March-10
  * CVE Number: CVE-2020-10238

Description

Various actions in com_templates lack the required ACL checks, leading to
various potential attack vectors.

Affected Installs

Joomla! CMS versions 2.5.0 - 3.9.15

Solution

Upgrade to version 3.9.16

Contact

The JSST at the Joomla! Security Centre.

Reported By: HO?NG KI?N

- --------------------------------------------------------------------------------

[20200302] - Core - XSS in Protostar and Beez3

  * Project: Joomla!
  * SubProject: CMS
  * Impact: Moderate
  * Severity: Low
  * Versions: 3.0.0-3.9.15
  * Exploit type: XSS
  * Reported Date: 2020-February-24
  * Fixed Date: 2020-March-10
  * CVE Number: CVE-2020-10242

Description

Inadequate handling of CSS selectors in the Protostar and Beez3 JavaScript
allow XSS attacks.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.15

Solution

Upgrade to version 3.9.16

Contact

The JSST at the Joomla! Security Centre.

Reported By: Pham Van Khanh

- --------------------------------------------------------------------------------

[20200301] - Core - CSRF in com_templates image actions

  * Project: Joomla!
  * SubProject: CMS
  * Impact: Moderate
  * Severity: Low
  * Versions: 3.2.0-3.9.15
  * Exploit type: CSRF
  * Reported Date: 2020-February-06
  * Fixed Date: 2020-March-10
  * CVE Number: CVE-2020-10241

Description

Missing token checks in the image actions of com_templates causes CSRF
vulnerabilities.

Affected Installs

Joomla! CMS versions 3.2.0 - 3.9.15

Solution

Upgrade to version 3.9.16

Contact

The JSST at the Joomla! Security Centre.

Reported By: Ho?ng Ki?n

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