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netperf "netperf.debug" Insecure File Creation Vulnerability
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Secunia Advisory:
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SA24464
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Release Date:
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2007-03-12
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Last Update:
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2007-03-21
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Popularity:
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3,818 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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Unpatched
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| Software: | netperf 2.x
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| CVE reference: | CVE-2007-1444
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Description:
Ben Hutchings has discovered a vulnerability in netperf, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
The vulnerability is caused due to the file "/tmp/netperf.debug" being created insecurely during the start of "netserver". This can be exploited via symlink attacks to overwrite arbitrary files with privileges of the user running netserver.
The vulnerability is confirmed in version 2.4.3. Other versions may also be affected.
Solution:
Grant only trusted users access to affected systems.
Provided and/or discovered by:
Reported in a Debian bug report by Ben Hutchings.
Changelog:
2007-03-21: Added CVE reference.
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=413658
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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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