Advisory Details

March 1st, 2010

IBM Informix librpc.dll Multiple Remote Code Execution Vulnerabilities

CVE ID	CVE-2009-2753
CVSS SCORE	10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	IBM
AFFECTED PRODUCTS	Informix
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['5937']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows attackers to execute arbitrary code on vulnerable installations of both IBM Informix Dynamic Server. User interaction is not required to exploit this vulnerability. The specific flaws exist within the RPC protocol parsing library, librpc.dll, utilized by the ISM Portmapper service (portmap.exe) bound by default to TCP port 36890. During authentication, a lack of proper sanity checking on supplied parameter sizes can result in exploitable stack and heap based buffer overflows leading to arbitrary code execution under the context of the SYSTEM user.
ADDITIONAL DETAILS	IBM states that this issue was first fixed in: IDS 10.00.TC9, IDS 11.10.TC3 Recommended fix pack version: IDS 10.00.TC10, IDS 11.10.TC3 4. URL to APAR or fixpack Fix pack download URL: http://www-933.ibm.com/support/fixcentral/ APAR URLs http://www.ibm.com/support/docview.wss?uid=swg1IC55329 http://www.ibm.com/support/docview.wss?uid=swg1IC55330
DISCLOSURE TIMELINE	2008-02-07 - Vulnerability reported to vendor 2010-03-01 - Coordinated public release of advisory
CREDIT	Sebastian Apelt (sebastian.apelt@siberas.de)

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