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CVS File Existence Information Disclosure Weakness
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Secunia Advisory:
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SA12309
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Release Date:
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2004-08-17
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Last Update:
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2004-08-18
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Popularity:
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10,673 views
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Critical:
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Not critical
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Impact:
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Exposure of system information
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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: | Concurrent Versions System (CVS) 1.x
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| CVE reference: | CVE-2004-0778
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Description:
A weakness has been reported in Concurrent Versions System (CVS), which potentially can be exploited by malicious users to gain knowledge of certain system information.
The problem is caused due to an undocumented switch to the "history" command implemented in "src/history.c". Using the "-X" switch and supplying an arbitrary filename, CVS will try to access the specified file and returns various information depending on whether the file exists and can be accessed.
This behaviour can be exploited to determine the existence and permissions of arbitrary files and directories on a vulnerable system.
The weakness has been reported in version 1.11. Other versions may also be affected.
Solution:
This issue has been fixed in versions 1.11.17 and 1.12.9.
Provided and/or discovered by:
Originally discovered by:
Sebastian Krahmer
Re-discovered by an anonymous person and reported through iDEFENSE.
Changelog:
2004-08-18: Added link to US-CERT vulnerability note.
Original Advisory:
US-CERT VU#579225:
http://www.kb.cert.org/vuls/id/579225
Other References:
http://www.idefense.com/application/poi/display?id=130&type=vulnerabilities
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About this Secunia Advisory
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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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