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Xen "xenbaked" Insecure Temporary Files
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Secunia Advisory:
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SA27389
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Release Date:
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2007-10-24
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Popularity:
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3,655 views
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Critical:
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Less critical
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Impact:
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Manipulation of data
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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: | Xen 3.x
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| CVE reference: | CVE-2007-3919
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Description:
Steve Kemp has reported a security issue in Xen, which can be exploited by malicious, local users to truncate arbitrary files.
The security issue is caused due to the "xenbaked" program truncating the file "/tmp/xenq-shm" in an insecure manner, which can be exploited via symlink attacks to truncate arbitrary files.
The security issue is reported in version 3.1. Other versions may also be affected.
Solution:
Restrict access to trusted users only.
Provided and/or discovered by:
Steve Kemp, Debian Security Audit project
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=447795
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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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