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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.

You can subscribe to notifications from this feed through a RSS reader.

[20171103] - Core - Information Disclosure

  • 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

[20171102] - Core - 2-factor-authentication bypass

  • 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

[20171101] - Core - LDAP Information Disclosure

  • 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

[20170901] - Core - Information Disclosure

  • 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

[20170902] - Core - LDAP Information Disclosure

  • 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

[20170704] - Core - Installer: Lack of Ownership Verification

  • 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

[20170705] - Core - XSS Vulnerability

  • 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

[20170701] - Core - Information Disclosure

  • Project: Joomla!
  • SubProject: CMS
  • Severity: High
  • Versions: 1.7.3 - 3.7.2
  • Exploit type: Information Disclosure
  • Reported Date: 2016-Feb-05
  • Fixed Date: 2017-July-04
  • CVE Number: CVE-2017-9933

Description

Improper cache invalidation leads to disclosure of form contents.

Affected Installs

Joomla! CMS versions 1.7.3-3.7.2

Solution

Upgrade to version 3.7.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jeff Channell

[20170702] - Core - XSS Vulnerability

  • Project: Joomla!
  • SubProject: CMS
  • Severity: High
  • Versions: 1.7.3 - 3.7.2
  • Exploit type: XSS
  • Reported Date: 2017-June-04
  • Fixed Date: 2017-July-04
  • CVE Number: CVE-2017-9934

Description

Missing CSRF token checks and improper input validation lead to an XSS vulnerability.

Affected Installs

Joomla! CMS versions 1.7.3-3.7.2

Solution

Upgrade to version 3.7.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Envo

[20170703] - Core - XSS Vulnerability

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 1.5.0 through 3.7.2
  • Exploit type: XSS
  • Reported Date: 2017-June-22
  • Fixed Date: 2017-July-04
  • CVE Number: CVE-2017-7985

Description

Inadequate filtering of multibyte characters leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.6.5

Solution

Upgrade to version 3.7.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Fortinet's FortiGuard Labs

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