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Ocean12 Guestbook Manager Cross-Site Scripting and Information Disclosure
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Secunia Advisory:
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SA8579
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Release Date:
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2003-04-14
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Popularity:
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5,711 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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Unpatched
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| Software: | Ocean12 ASP Guestbook Manager 1.x
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Description:
Ocean12 ASP Guestbook Manager contains an input validation error, which can be exploited by malicious users to conduct Cross-Site Scripting attacks against other users.
User input supplied to the "Name", "E-Mail" and "Message" fields in "add.asp" is not validated, which can be exploited by posting a malicious entry in the guestbook. Script code will be executed in the user's browser session, when the entry is viewed.
This can result in disclosure of various information (eg. cookie-based authentication information) associated with the site running Ocean12 ASP Guestbook Manager or inclusion of malicious content, which the user thinks is part of the real website.
An access control error has also been reported, which allows a malicious person to download the database "o12guest.mdb". This discloses the administrator password, which is stored in clear text.
Solution:
Edit the source code to validate user input. Filter malicious characters in a HTTP proxy or firewall with URL filtering capabilities.
Restrict access to the "admin" folder.
Provided and/or discovered by:
drG4njubas
Original Advisory:
http://www.blacktigerz.org/filez/advisory008.txt
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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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