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XScreenSaver Insecure Temporary File Creation Vulnerability
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Secunia Advisory:
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SA20224
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Release Date:
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2006-05-24
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Popularity:
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5,482 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: | XScreenSaver 4.x
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| CVE reference: | CVE-2003-1294
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Description:
A vulnerability has been reported in XScreenSaver, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
The vulnerability is caused due to the temporary files being created insecurely in the "/tmp" directory by "driver/passwd-kerberos.c", "driver/xscreensaver-getimage-video", "driver/xscreensaver.kss.in", "vidwhacker", and "webcollage". This can be exploited via symlink attacks to create or overwrite arbitrary files with privileges of the user running the application.
The vulnerability has been reported in versions prior to 4.15.
Solution:
Update to version 4.15 or later.
http://www.jwz.org/xscreensaver/download.html
Provided and/or discovered by:
SUSE
Original Advisory:
Red Hat Bugzilla:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=182286
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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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