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Joomla Security News

Список известных уязвимостей Joomla, которые можно устранить.
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[20190502] - Core - By-passing protection of Phar Stream Wrapper Interceptor

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.9.3 through 3.9.5
  • Exploit type: Object Injection
  • Reported Date: 2019-March-27
  • Fixed Date: 2019-May-07

Description

In Joomla 3.9.3, the vulnerability of insecure deserialization when executing Phar archives was addressed by removing the known attack vector in the Joomla core. In order to intercept file invocations like file_exists or stat on compromised Phar archives the base name has to be determined and checked before allowing to be handled by PHP Phar stream handling. The used implementation however is vulnerable to path traversal leading to scenarios where the Phar archive to be assessed is not the actual (compromised) file.

Affected Installs

Joomla! CMS versions 3.9.3 through 3.9.5

Solution

Upgrade to version 3.9.6


[20190501] - Core - XSS in com_users ACL debug views

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 1.7.0 through 3.9.5
  • Exploit type: XSS
  • Reported Date: 2019-April-29
  • Fixed Date: 2019-May-07
  • CVE Number: CVE-2019-11809

Description

The debug views of com_users do not properly escape user supplied data, which leads to a potential XSS attack vector.

Affected Installs

Joomla! CMS versions 1.7.0 through 3.9.5

Solution

Upgrade to version 3.9.6


[20190403] - Core - Object.prototype pollution in JQuery $.extend

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Moderate
  • Versions: 3.0.0 through 3.9.4
  • Exploit type: XSS
  • Reported Date: 2019-March-25
  • Fixed Date: 2019-April-09
  • CVE Number: CVE-2019-11358

Description

The $.extend method of JQuery is vulnerable to Object.prototype pollution attacks.

Affected Installs

Joomla! CMS versions 3.0.0 through 3.9.4

Solution

Upgrade to version 3.9.5


[20190402] - Core - Helpsites refresh endpoint callable for unauthenticated users

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: High
  • Versions: 3.2.0 through 3.9.4
  • Exploit type: ACL Violation
  • Reported Date: 2019-March-13
  • Fixed Date: 2019-April-08
  • CVE Number: CVE-2019-10946

Description

The "refresh list of helpsites" endpoint of com_users lacks access checks, allowing calls from unauthenticated users.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.4

Solution

Upgrade to version 3.9.5


[20190401] - Core - Directory Traversal in com_media

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 1.5.0 through 3.9.4
  • Exploit type: Directory Traversal
  • Reported Date: 2019-March-13
  • Fixed Date: 2019-April-08
  • CVE Number: CVE-2019-10945

Description

The Media Manager component does not properly sanitise the folder parameter, allowing attackers to act outside the media manager root directory.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.9.4

Solution

Upgrade to version 3.9.5


[20190304] - Core - Missing ACL check in sample data plugins

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: High
  • Versions: 3.8.0 through 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-February-28
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9713

Description

The sample data plugins lack ACL checks, allowing unauthorized access.

Affected Installs

Joomla! CMS versions 3.8.0 through 3.9.3

Solution

Upgrade to version 3.9.4


[20190303] - Core - XSS in media form field

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.0.0 through 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-February-25
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9714

Description

The media form field lacks escaping, leading to a XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.3

Solution

Upgrade to version 3.9.4


[20190302] - Core - XSS in item_title layout

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.0.0 through 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-February-25
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9711

Description

The item_title layout in edit views lacks escaping, leading to a XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.3

Solution

Upgrade to version 3.9.4


[20190301] - Core - XSS in com_config JSON handler

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.2.0 through 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-March-04
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9712

Description

The JSON handler in com_config lacks input validation, leading to XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.3

Solution

Upgrade to version 3.9.4


[20190206] - Core - Implement the TYPO3 PHAR stream wrapper

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.9.2
  • Exploit type: Object Injection
  • Reported Date: 2019-January-18
  • Fixed Date: 2019-February-12
  • CVE Number: CVE-2019-7743

Description

The phar:// stream wrapper can be used for objection injection attacks. We now disallow usage of the phar:// handler for non .phar-files within the CMS globally by implementing the TYPO3 PHAR stream wrapper.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.9.2

Solution

Upgrade to version 3.9.3