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XWine Insecure Temporary File Handling and Configuration File Permissions
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Secunia Advisory:
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SA29125
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Release Date:
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2008-02-29
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Last Update:
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2008-03-05
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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: | XWine 1.x
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| | CVE reference: | CVE-2008-0930 (Secunia mirror)
CVE-2008-0931 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
Steve Kemp has reported two security issues in XWine, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
1) The temporary file "/tmp/temporaire" is used in an insecure manner. This can be exploited to e.g. truncate arbitrary files with the privileges of a user running xwine via symlink attacks.
2) The application sets insecure permissions for the configuration file "/etc/wine/config". This can potentially be exploited to execute arbitrary commands with the privileges of a user running wine by e.g. changing certain configuration settings.
The vulnerabilities are reported in 1.0.1-1.1. Other versions may also be affected.
Solution:
Restrict access to trusted users only.
Provided and/or discovered by:
Steve Kemp
Changelog:
2008-03-05: Added CVE reference.
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468050
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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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