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RNN Guestbook Lack of Authentication
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Secunia Advisory:
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SA10306
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Release Date:
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2003-11-28
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Popularity:
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5,702 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: | RNN Guestbook 1.x
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Description:
A vulnerability has been identified in RNN Guestbook, allowing malicious people to access the administrative interface and execute arbitrary commands.
1) RNN Guestbook fails to verify if the user is logged in. This allows malicious people to access all administrative functions without authenticating.
2) The name of the guest book data file is not properly verified, allowing malicious administrators to inject shell meta characters. This can be exploited to execute arbitrary code.
3) The administrative password i written in a "hidden" HTML field even if the administrator didn't authenticate.
The vulnerabilities have been reported in version 1.2.
Solution:
Protect the administrative script and data files using .htaccess or similar.
Provided and/or discovered by:
BrainRawt
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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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