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Newswriter "NWCONF_SYSTEM[server_path]" File Inclusion
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Secunia Advisory:
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SA22160
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Release Date:
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2006-09-28
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Last Update:
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2006-10-03
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Popularity:
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4,369 views
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Critical:
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Highly critical
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Impact:
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System access
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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: | Newswriter 1.x
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| CVE reference: | CVE-2006-5102
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Description:
Some vulnerabilities have been discovered in Newswriter, which can be exploited by malicious people to compromise a vulnerable system.
Input passed to the "NWCONF_SYSTEM[server_path]" parameter in include/editfunc.inc.php, include/main.inc.php, admin/include/menu.inc.php, and update/include/main.inc.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local or external resources.
Successful exploitation requires that "register_globals" is enabled.
The vulnerabilities have been confirmed in version 1.4.2. Other versions may also be affected.
Solution:
The vendor describes how to fix two of the vulnerabilities by applying code changes. Edit the source code to ensure that none of the affected files can be accessed directly.
http://www.faqboard.info/index.php?topic=996.msg5560#msg5560
Set "register_globals" to "Off".
Provided and/or discovered by:
Silahsiz Kuvvetler, XORON, and an anonymous person.
Changelog:
2006-09-28: Added additional vulnerabilities. Updated "Description" and "Solution" sections.
2006-10-03: Added CVE reference.
Original Advisory:
http://milw0rm.com/exploits/2439
http://milw0rm.com/exploits/2443
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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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