ZDI-08-012: IBM Informix Dynamic Server Authentication Password Stack 
Overflow Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-08-012
March 13, 2008

-- CVE ID:
CVE-2008-0727

-- Affected Vendors:
IBM

-- Affected Products:
IBM Informix

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5725. 
For further product information on the TippingPoint IPS, visit:

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-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
systems with vulnerable installations of IBM's Informix Dynamic Server.
User interaction is not required to exploit this vulnerability.
Authentication is not required to exploit this vulnerability.

The specific flaw exists in the oninit.exe process that listens by
default on TCP port 1526. During authentication, the process does not
validate the length of the supplied user password. An attacker can
provide a overly long password and overflow a stack based buffer
resulting in arbitrary code execution.

-- Vendor Response:
IBM has issued an update to correct this vulnerability. More
details can be found at:

http://www-1.ibm.com/support/docview.wss?uid=swg1IC55210
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55209

-- Disclosure Timeline:
2007-11-07 - Vulnerability reported to vendor
2008-03-13 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

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