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Security Announcements

This feed provides announcements of resolved security issues in Joomla! software releases.

For more information about the Joomla! Security Strike Team (JSST) and its processes, please review our Security article.

To report potential security issues, please follow the guidelines in the above referenced article. Please note that we are only able to provide support for the Joomla! CMS, Joomla! Framework, and *.joomla.org network of websites.

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  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 1.5.0 through 3.8.3
  • Exploit type: XSS
  • Reported Date: 2017-November-17
  • Fixed Date: 2018-January-30
  • CVE Number: CVE-2018-6379

Description

Inadequate input filtering in the Uri class (formerly JUri) leads to a XSS vulnerability.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.8.3

Solution

Upgrade to version 3.8.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Octavian Cinciu

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.7.0 through 3.8.3
  • Exploit type: XSS
  • Reported Date: 2018-January-20
  • Fixed Date: 2018-January-30
  • CVE Number: CVE-2018-6377

Description

Inadequate input filtering in com_fields leads to a XSS vulnerability in multiple field types, i.e. list, radio and checkbox.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.8.3

Solution

Upgrade to version 3.8.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Benjamin Trenkle, JSST

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.0.0 through 3.8.3
  • Exploit type: XSS
  • Reported Date: 2018-January-21
  • Fixed Date: 2018-January-30
  • CVE Number: CVE-2018-6380

Description

Lack of escaping in the module chromes leads to XSS vulnerabilities in the module system.

Affected Installs

Joomla! CMS versions 3.0.0 through 3.8.3

Solution

Upgrade to version 3.8.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: David Jardin, JSST

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 3.7.0 through 3.8.1
  • Exploit type: Information Disclosure
  • Reported Date: 2017-May-17
  • Fixed Date: 2017-November-07
  • CVE Number: CVE-2017-16633

Description

A logic bug in com_fields exposed read-only information about a site's custom fields to unauthorized users.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.8.1

Solution

Upgrade to version 3.8.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Internal JSST audit

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Medium
  • Versions: 3.2.0 through 3.8.1
  • Exploit type: 
  • Reported Date: 2017-October-31
  • Fixed Date: 2017-November-07
  • CVE Number: CVE-2017-16634

Description

A bug allowed third parties to bypass a user's 2-factor-authentication method.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.8.1

Solution

Upgrade to version 3.8.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Yarince

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Medium
  • Versions: 1.5.0 through 3.8.1
  • Exploit type: Information Disclosure
  • Reported Date: 2017-October-06
  • Fixed Date: 2017-November-07
  • CVE Number: CVE-2017-14596

Description

Inadequate escaping in the LDAP authentication plugin can result in disclosure of username and password.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.8.1

Solution

Upgrade to version 3.8.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Dr. Johannes Dahse, RIPS Technologies GmbH

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 3.7.0 through 3.7.5
  • Exploit type: Information Disclosure
  • Reported Date: 2017-August-4
  • Fixed Date: 2017-September-19
  • CVE Number: CVE-2017-14595

Description

A logic bug in a SQL query could lead to the disclosure of article intro texts when these articles are in the archived state.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.7.5

Solution

Upgrade to version 3.8.0

Contact

The JSST at the Joomla! Security Centre.

Reported By: Michal Prochaczek

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Medium
  • Versions: 1.5.0 through 3.7.5
  • Exploit type: Information Disclosure
  • Reported Date: 2017-July-27
  • Fixed Date: 2017-September-19
  • CVE Number: CVE-2017-14596

Description

Inadequate escaping in the LDAP authentication plugin can result into a disclosure of username and password.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.7.5

Solution

Upgrade to version 3.8.0

Contact

The JSST at the Joomla! Security Centre.

Reported By: Dr. Johannes Dahse, RIPS Technologies GmbH

  • Project: Joomla!
  • SubProject: CMS Installer
  • Severity: High
  • Versions: 1.0.0 through 3.7.3
  • Exploit type: Lack of Ownership Verification
  • Reported Date: 2017-Apr-06
  • Fixed Date: 2017-July-25
  • CVE Number: CVE-2017-11364

Description

The CMS installer application lacked a process to verify the users ownership of a webspace, potentially allowing users to gain control.

Please note: Already installed sites are not affected, as this issue is limited to the installer application!

Affected Installs

Joomla! CMS versions 1.0.0 through 3.7.3

Solution

Upgrade to version 3.7.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Hanno Böck

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 1.5.0 through 3.7.3
  • Exploit type: XSS
  • Reported Date: 2017-April-26
  • Fixed Date: 2017-July-25
  • CVE Number: CVE-2017-11612

Description

Inadequate filtering of potentially malicious HTML tags leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.7.3

Solution

Upgrade to version 3.7.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Beat B, JSST

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