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Category:   Application (Forum/Board/Portal)  >   Joomla! Vendors:   joomla.org
Joomla! Multiple Bugs Let Remote Users Bypass Access Controls and Execute Arbitrary Code on the Target System
SecurityTracker Alert ID:  1041914
SecurityTracker URL:  http://securitytracker.com/id/1041914
CVE Reference:   CVE-2018-17855, CVE-2018-17856, CVE-2018-17857, CVE-2018-17858, CVE-2018-17859   (Links to External Site)
Date:  Oct 18 2018
Impact:   Disclosure of system information, Disclosure of user information, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in Joomla!. A remote user can conduct cross-site request forgery attacks. A remote user can access data on the target system. A remote user can gain access to the target system.

A remote user can bypass cross-site request forgery protections in com_installer [CVE-2018-17858]. Versions 2.5.0 through 3.8.12 are affected.

A remote user can bypass access control lists in com_users for the admin verification [CVE-2018-17855].

A remote user can bypass access levels in com_tags for the search fields [CVE-2018-17857]. Versions 3.1.0 through 3.8.12 are affected.

A remote user can bypass access levels in com_joomlaupdate to execute arbitrary code [CVE-2018-17856]. Versions 2.5.4 through 3.8.12 are affected.

A remote user can bypass access levels in the com_contact contact form [CVE-2018-17859]. Versions 2.5.0 through 3.8.12 are affected.

Raviraj A. Powar, Paul Freeman, Codesafescan, and David Jardin (JSST) reported these vulnerability.

Impact:   A remote user can take actions on the target system.

A remote user can gain access to the target system.

Solution:   The vendor has issued a fix (3.8.13).

The vendor advisory is available at:

https://developer.joomla.org/security-centre.html

Vendor URL:  developer.joomla.org/security-centre.html (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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