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Hyper Estraier Windows Unicode Filename Handling Vulnerability
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Secunia Advisory:
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SA17379
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Release Date:
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2005-10-31
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Last Update:
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2006-01-19
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Popularity:
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5,082 views
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Critical:
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Less critical
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Impact:
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Exposure of sensitive information
DoS
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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: | Hyper Estraier 1.x
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| CVE reference: | CVE-2005-3421
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Description:
A vulnerability has been reported in Hyper Estraier, which can be exploited by malicious users to cause a DoS (Denial of Service) or to gain knowledge of certain sensitive information.
The vulnerability is caused due to an error in handling files with certain unicode characters in their filenames when creating the index of a searchable directory. This can be exploited to cause files in non-searchable directories to be indexed, potentially disclosing their contents. It is also possible to cause a DoS by causing the index creation to fail via a file with a specially crafted unicode filename.
Successful exploitation requires that the malicious user is able to upload a file into a searchable directory.
The vulnerability affects only the Windows version.
Solution:
Update to version 1.0.2.
http://hyperestraier.sourceforge.net/
Provided and/or discovered by:
Yosuke Hasegawa
Changelog:
2006-01-19: Added CVE reference.
Original Advisory:
JP Vendor Status Notes (Japanese):
http://jvn.jp/jp/JVN%2318282718/index.html
IPA (Japanese):
http://www.ipa.go.jp/security/vuln/do.../2005/JVN_18282718_HyperEstraier.html
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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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