Joomla! Input Validation Flaws Let Remote Users Conduct Cross-Site Scripting Attacks and Cache Access Control Bug Lets Remote Users Obtain Potentially Sensitive Information
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SecurityTracker Alert ID: 1038817 |
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SecurityTracker URL: http://securitytracker.com/id/1038817
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CVE Reference:
CVE-2017-7985, CVE-2017-9933, CVE-2017-9934
(Links to External Site)
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Date: Jul 5 2017
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Impact:
Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 1.5.0 - 3.7.2
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Description:
Several vulnerabilities were reported in Joomla!. A remote user can obtain potentially sensitive information on the target system. A remote user can conduct cross-site scripting attacks.
A remote user can exploit a cache access control flaw to view potentially sensitive information from forms on the target system [CVE-2017-9933]. Versions 1.7.3 and after are affected.
The software does not properly filter HTML code and validate CSRF tokens from user-supplied input before displaying the input [CVE-2017-9934]. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Joomla! software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user. Versions 1.7.3 and after are affected.
The software does not properly filter multibyte characters in HTML code from user-supplied input before displaying the input [CVE-2017-7985]. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Joomla! software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user. Versions 1.5.0 through 3.6.5 are affected.
Jeff Channell, Envo, and Fortinet's FortiGuard Labs reported these vulnerabilities.
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Impact:
A remote user can obtain potentially sensitive information on the target system.
A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Joomla! software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
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Solution:
The vendor has issued a fix (3.7.3).
The vendor advisory is available at:
https://developer.joomla.org/security-centre.html
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Vendor URL: joomla.org/ (Links to External Site)
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Cause:
Access control error, Input validation error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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