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Bacula Multiple Insecure Temporary File Creation Vulnerabilities
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Secunia Advisory:
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SA16866
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Release Date:
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2005-09-20
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Last Update:
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2005-11-01
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Popularity:
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5,945 views
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Critical:
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Less critical
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Impact:
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Exposure of sensitive information
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: | Bacula 1.x
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Description:
Eric Romang has reported some vulnerabilities in Bacula, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges, or to disclose certain sensitive information.
The vulnerabilities are caused due to temporary files being created insecurely in "/tmp" by "autoconf/randpass" and "scripts/mtx-changer.in". This can be exploited via symlink attacks in conjunction with a race condition to create or overwrite arbitrary files with the privileges of the user running the affected scripts, or to reveal the randomly generated password.
The vulnerabilities have been reported in version 1.36.3 and prior.
Solution:
Update to version 1.38.0.
http://sourceforge.net/project/showfiles.php?group_id=50727
Provided and/or discovered by:
Eric Romang, ZATAZ Audit.
Changelog:
2005-11-01: Updated "Solution" section.
Original Advisory:
http://www.zataz.net/adviso/bacula-09192005.txt
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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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