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IBM Informix Dynamic Server Authentication Password Stack Overflow
Vulnerability
------------------------------------------------------------------------
SUMMARY
A 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.
DETAILS
Vulnerable Systems:
* IBM Informix Dynamic Server
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=swg1IC55210
<http://www-1.ibm.com/support/docview.wss?uid=swg1IC55209>
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
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0727>
CVE-2008-0727
ADDITIONAL INFORMATION
The information has been provided by <mailto:zdi-disclosures@3com.com>
The Zero Day Initiative (ZDI).
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-08-012>
http://www.zerodayinitiative.com/advisories/ZDI-08-012
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