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Trend Micro PC-Cillin Internet Security Insecure File Permission
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SUMMARY
"
<http://www.trendmicro.com/en/products/desktop/pc-cillin/evaluate/overview.htm>
Trend Micro PC-cillin Internet Security combines award-winning Antivirus
security and a personal firewall for comprehensive protection against viruses,
worms, Trojans, and hackers."
Local exploitation of an insecure permission vulnerability in multiple
Trend Micro PC-cillin Internet Security allows attackers to escalate
privileges or disable protection.
DETAILS
Vulnerable Systems:
* Trend Micro PC-Cillin Internet Security 2005 version 12.00 build 1244.
Immune Systems:
* Trend Micro PC-Cillin Internet Security 2005 version 12.4
The vulnerabilities specifically exist in the default Access Control List
(ACL) settings that are applied during installation. When an administrator
installs an affected Trend Micro product, the default ACL
allows any user to modify the installed files. Due to the fact that some
of the programs run as system services, a user could replace an installed
Trend Micro product file with their own malicious code, and
the code would be executed with system privileges.
Successful exploitation allows local attackers to escalate privileges to
the system level. It is also possible to use this vulnerability to simply
disable protection by moving all of the executable files so that they
cannot start upon a reboot. Once disabled, the products are no longer able
to provide threat mitigation, thus opening the machine up to attack.
Workaround:
Apply proper Access Control List settings to the directory that the
affected Trend Micro product is installed in. The ACL rules be set so that
no regular users can modify files in the directory.
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3360>
CVE-2005-3360
Disclosure Timeline:
10/27/2005 - Initial vendor notification
10/27/2005 - Initial vendor response
12/14/2005 - Public disclosure
ADDITIONAL INFORMATION
The information has been provided by iDefense.
The original article can be found at:
<http://www.idefense.com/application/poi/display?id=351&type=vulnerabilities>
http://www.idefense.com/application/poi/display?id=351&type=vulnerabilities
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