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Simple PHP Blog Cross-Site Scripting and File Upload Vulnerabilities
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Secunia Advisory:
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SA26968
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Release Date:
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2007-09-26
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Popularity:
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4,112 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Simple PHP Blog 0.x
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Description:
Luca "ikki" Carettoni and Luca "Daath" De Fulgentis have reported some vulnerabilities in Simple PHP Blog, which can be exploited by malicious people to conduct cross-site scripting attacks and by malicious users to compromise a vulnerable system.
1) Input passed to the "user_colors[bg_color]" parameter in the file \themes\<theme name>\user_style.php 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.
Successful exploitation requires that "register_globals" is enabled.
2) The upload_img_cgi.php script does not correctly restrict certain types of uploaded files. This can be exploited to e.g. execute arbitrary PHP code by uploading a specially crafted PHP script that contains the GIF magic number.
This is related to:
SA16598
The vulnerabilities are reported in versions prior to 0.5.1.
Solution:
Update to version 0.5.1.
Provided and/or discovered by:
Luca "ikki" Carettoni and Luca "Daath" De Fulgentis, SecureNetwork.IT
Original Advisory:
Simple PHP Blog:
http://www.simplephpblog.com/index.php?entry=entry070923-004446
SecureNetwork.IT:
http://www.securenetwork.it/ricerca/advisory/download/SN-2007-03.txt
Other References:
SA16598:
http://secunia.com/advisories/16598/
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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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