AutoIndex <= 2.2.2 Cross Site Scripting and Denial of Service Nov 12 2007 08:32PM
L4teral (l4teral gmail com)
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AutoIndex <= 2.2.2 Cross Site Scripting and Denial of Service
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Author: L4teral <l4teral [4t] gmail com>
Impact: Cross Site Scripting
Denial of Service (DoS)
Status: patch available

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Affected software description:
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Application: AutoIndex
Version: <= 2.2.2/2.2.3
Vendor: http://autoindex.sourceforge.net

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Vulnerability:
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1.
The variable $_SERVER['PHP_SELF'] is not properly sanitized
leading to cross site scripting.

2.
The use of unsanitized user input causes an error in the recursive
calculation of the size of a directory leading to cpu time/memory
consumption until the process gets killed.

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PoC/Exploit:
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1.
http://<host>/AutoIndex/index.php/"><script>alert(document.cookie)</scri
pt>

2.
http://<host>/AutoIndex/index.php?dir=%00

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Solution:
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update to version 2.2.4.

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Timeline:
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2007-11-05 - vendor informed
2007-11-05 - vendor released version 2.2.3 (fixing XSS)
2007-11-09 - vendor released version 2.2.4 (fixing DoS)
2007-11-12 - public disclosure

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