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WordPress Cookies Security Bypass Weakness
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Secunia Advisory:
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SA27714
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Release Date:
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2007-11-21
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Critical:
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Not critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Wordpress 1.x
WordPress 2.x
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| | CVE reference: | CVE-2007-6013 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
Steven J. Murdoch has discovered a weakness in WordPress, which can be exploited by malicious people to bypass certain security restrictions.
The weakness is caused due to the fact that it is possible to construct the two authentication cookies ("wordpressuser_*" and "wordpresspass_*") from the data in the "users" table.
Successful exploitation allows e.g. logging in as administrator, but requires read access to the "users" table of the database.
NOTE: The weakness is reportedly being exploited in the wild.
The weakness is confirmed in version 2.3.1 and reported in all previous versions down to and including 1.5.
Solution:
Grant only trusted users read access to the "users" table.
Restrict access to the "wp-admin" directory (e.g. with ".htaccess").
Provided and/or discovered by:
Steven J. Murdoch
Original Advisory:
http://www.cl.cam.ac.uk/~sjm217/advisories/wordpress-cookie-auth.txt
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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