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ESP Ghostscript Insecure Temporary File Creation Vulnerabilities
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Secunia Advisory:
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SA12903
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Release Date:
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2004-10-21
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Last Update:
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2005-01-21
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Popularity:
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7,666 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: | ESP Ghostscript 7.x
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| CVE reference: | CVE-2004-0967
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Description:
Some vulnerabilities have been reported in ESP Ghostscript, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The vulnerabilities are caused due to various scripts creating temporary files insecurely. This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user invoking a vulnerable script.
The following scripts/files are reportedly affected:
* pj-gs.sh
* ps2epsi
* pv.sh
* sysvlp.sh
* cups-pcl3
* if-pcl3
* catppd
* gdevhpij.c
* gdevpnga.c
* 3way.tcl
* gsindent
* makeset.tcl
* pre
Solution:
Grant only trusted users access to vulnerable systems.
Provided and/or discovered by:
First reported in a Trustix advisory.
Additional information provided by Javier.
Changelog:
2005-01-21: Updated advisory.
Original Advisory:
http://www.trustix.org/errata/2004/0050/
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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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