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Insecure Library Loading
Less critical

Cfengine Insecure Temporary File Creation Vulnerabilities

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Release Date:  2005-10-03    Last Update:  2005-10-11    Views:  11,901

Secunia Advisory SA17037

Where:

Local system

Impact:

Privilege escalation,

Solution Status:

Unpatched

CVE Reference(s):

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.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Javier Fernandez-Sanguino Pena

Original Advisory:
Debian:
http://www.debian.org/security/2005/dsa-835
http://www.debian.org/security/2005/dsa-836

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Cfengine Insecure Temporary File Creation Vulnerabilities

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