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Net-Acct Insecure Temporary File Creation Vulnerability
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Secunia Advisory:
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SA12476
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Release Date:
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2004-09-07
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Last Update:
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2004-10-06
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Popularity:
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5,780 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | Net-Acct 0.x
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| CVE reference: | CVE-2004-0851
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Description:
Stefan Nordhausen has discovered a vulnerability in net-acct, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The "write_list()" and "dump_curr_list()" functions create temporary files insecurely. This can be exploited via symlink attacks to overwrite or create arbitrary files with the privileges of a user executing net-acct.
The vulnerability affects version 0.71 and prior.
Solution:
The vendor has issued a patch:
http://exorsus.net/projects/net-acct/net-acct-notempfiles.patch
Provided and/or discovered by:
Stefan Nordhausen
Changelog:
2004-10-06: Added CVE reference.
Original Advisory:
http://exorsus.net/projects/net-acct/
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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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