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Lazarus Guestbook "show" and "img" Cross-Site Scripting
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Secunia Advisory:
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SA21034
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Release Date:
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2006-07-13
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Last Update:
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2006-07-18
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Popularity:
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5,450 views
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Critical:
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Less critical
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Impact:
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Cross Site Scripting
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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: | Lazarus Guestbook 1.x
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| CVE reference: | CVE-2006-3616
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Description:
simo64 has discovered two vulnerabilities in Lazarus Guestbook, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed to the "show" parameter in lang/codes-english.php and the "img" parameter in pictures.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 for the "img" parameter requires that "magic_quotes_gpc" is disabled.
The vulnerabilities have been confirmed in versions 1.5.4 and 1.6 beta 7. Other versions may be also affected.
Solution:
Update to version 1.5.5.
http://carbonize.co.uk/Lazarus/downloads.php
The vulnerabilities have also been fixed in version 1.6 beta 8.
Provided and/or discovered by:
simo64
Changelog:
2006-07-17: Updated "Solution" section.
2006-07-18: Added CVE reference.
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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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