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Cfengine Insecure Temporary File Creation Vulnerabilities
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Secunia Advisory:
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SA17037
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Release Date:
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2005-10-03
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Last Update:
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2005-10-11
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Popularity:
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8,231 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: | Cfengine 1.x
Cfengine 2.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2005-2960
CVE-2005-3137
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Description:
Javier Fernandez-Sanguino Pena has reported some vulnerabilities in Cfengine, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
1) Temporary files are being created insecurely in "/tmp" by "contrib/vicf.in" This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user running the affected script.
The vulnerability affects version 1.6.5 and 2.1.16. Other versions may also be vulnerable.
2) Temporary files are being created insecurely in "/tmp" by "/bin/cfmailfilter" and "/contrib/cfcron.in". This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user running the affected script.
The vulnerability affects version 1.6.5. Prior versions may also be affected.
Solution:
Grant only trusted users access to affected systems.
Some Linux vendors have issued fixed packages.
Provided and/or discovered by:
Javier Fernandez-Sanguino Pena
Changelog:
2005-10-11: Added CVE reference.
Original Advisory:
Debian:
http://www.debian.org/security/2005/dsa-835
http://www.debian.org/security/2005/dsa-836
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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