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GreenBeast CMS File Upload And Logon Bypass
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Secunia Advisory:
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SA22769
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Release Date:
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2006-11-09
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Last Update:
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2006-11-16
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Popularity:
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5,967 views
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Critical:
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Highly critical
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Impact:
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Security Bypass
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: | GreenBeast CMS 1.x
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| CVE reference: | CVE-2006-5833
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Description:
skulmatic has reported two vulnerabilities in GreenBeast CMS, which potentially can be exploited by malicious people to compromise a vulnerable system.
The vulnerabilities are caused due to gbcms_php_files/up_loader.php both failing to verify that the user is logged on and failing to validate the extension of an uploaded file. This can be exploited to upload files with arbitrary extensions (e.g. ".php") and execute arbitrary PHP code on the server without requiring a valid logon.
The vulnerabilities are reported in version 1.3. Other versions may also be affected.
Solution:
Restrict access to gbcms_php_files/up_loader.php and ensure that input is properly validated.
Provided and/or discovered by:
skulmatic
Changelog:
2006-11-16: Added CVE reference.
Original Advisory:
http://newhack.org/advisories/GreenBeastCMS.txt
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About this Secunia Advisory
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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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