IBM Informix librpc.dll Multiple Remote Code Execution VulnerabilitiesZDI-10-022: March 1st, 2010
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5937. For further product information on the TippingPoint IPS:
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.
Vendor ResponseIBM states:
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/
2008-02-07 - Vulnerability reported to vendor
2010-03-01 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Sebastian Apelt (firstname.lastname@example.org)