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CodeIgniter Weakness and Directory Traversal Vulnerability
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Secunia Advisory:
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SA25991
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Release Date:
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2007-07-11
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Last Update:
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2007-07-13
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Popularity:
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5,174 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
Exposure of system information
Exposure of sensitive information
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | CodeIgniter 1.x
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| CVE reference: | CVE-2007-3707
CVE-2007-3708
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Description:
Lukasz Pilorz has reported a vulnerability and a weakness in CodeIgniter, which can be exploited by malicious people to disclose sensitive information and conduct cross-site scripting and header injection attacks.
1) Input passed to the "c" parameter in index.php is not properly sanitised before being used to display files. This can be exploited to display arbitrary files via directory traversal attacks.
Successful exploitation requires that the "enable_query_strings" option is enabled.
2) Input passed to the xss_clean() function is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
An issue that can cause the _sanitize_globals() method to remove global variables has also been reported.
The vulnerability and the weakness are reported in version 1.5.3. Other versions may also be affected.
Solution:
1, 2) Reportedly fixed in the SVN repository.
Provided and/or discovered by:
Lukasz Pilorz
Changelog:
2007-07-13: Added CVE reference.
Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-July/064500.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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