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rxvt X11 Display Security Issue
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Secunia Advisory:
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SA29576
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Release Date:
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2008-03-31
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Last Update:
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2008-05-13
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Popularity:
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3,637 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 Workaround
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| Software: | rxvt 2.7.x
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| CVE reference: | CVE-2008-1142
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Description:
Bernhard R. Link has reported a security issue in rxvt, which can be exploited by malicious, local users to gain escalated privileges.
The security issue is caused due to the program using ":0" as it's X11 display if the DISPLAY environment variable is missing. This can be exploited to execute arbitrary commands with the privileges of the user running rxvt via a malicious X server.
The security issue is reported in version 2.6.4. Other versions may also be affected.
Solution:
Fixed in the SVN repository.
Provided and/or discovered by:
Bernhard R. Link
Changelog:
2008-05-13: Updated "Solution" section.
Original Advisory:
http://article.gmane.org/gmane.comp.security.oss.general/122
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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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