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IBM Informix Dynamic Server Directory Traversal and Denial of Service
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Secunia Advisory:
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SA27542
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Release Date:
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2007-11-07
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Last Update:
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2008-07-25
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Popularity:
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3,903 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
DoS
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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: | IBM Informix Dynamic Server 10.x
IBM Informix Dynamic Server 9.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2007-5670
CVE-2007-5956
CVE-2007-5957
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Description:
Some vulnerabilities have been reported in IBM Informix Dynamic Server, which potentially can be exploited by a malicious, local user to cause a DoS (Denial of Service) or gain escalated privileges.
1) An input validation error when processing the DBLANG environment variable can be exploited to e.g. cause set-uid binaries to use arbitrary Native Language Support (NLS) message files via directory traversal attacks.
Successful exploitation allows execution of arbitrary code with root privileges.
2) An unspecified error when using SQ_ONASSIST requests can be exploited to crash the application on Windows systems.
Vulnerability #1 is reported in version 10.00 UC6TL on a Linux system and versions prior to 9.40.*C10. Other versions may also be affected.
Solution:
Update to version 10.00.xC7W1 or 9.40.*C10.
Provided and/or discovered by:
1) Discovered by an anonymous researcher and reported via iDefense Labs.
2) Reported by the vendor.
Changelog:
2007-11-12: Updated advisory based on additional information from iDefense Labs. Lowered criticality. Added CVE reference.
2007-11-14: Added CVE reference.
2008-07-25: Added "IBM Informix Dynamic Server 9.x" to list of affected products. Updated "Solution" section. Updated "Original Advisory" section.
Original Advisory:
IBM (IC54252, IC53588, IC54051):
http://www-1.ibm.com/support/docview.wss?uid=swg27011082
http://www-1.ibm.com/support/docview.wss?uid=swg1IC54051
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=624
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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.
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