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>> IBM Informix Dynamic Server Insecure Temporary File Creation Vulnerability
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Title : IBM Informix Dynamic Server Insecure Temporary File Creation Vulnerability
VUPEN ID : VUPEN/ADV-2006-3883
CVE ID : CVE-2006-5163
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2006-10-03
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A vulnerability has been identified in IBM Informix Dynamic Server, which could be exploited by local attackers to potentially cause a denial of service or obtain elevated privileges. This flaw is due to insecure permissions being set on the "/tmp/installserver.txt" file during the installation process, which could be exploited by malicious users to append arbitrary data to local files via symlink attacks.
Affected Products
IBM Informix Dynamic Server versions 10.x
Solution
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2006/3883
http://www.frsirt.com/english/reference/21831
Credits
Vulnerability reported by Larry W. Cashdollar
ChangeLog
2006-10-03 : Initial release
Vulnerability Management
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