TippingPoint Zero Day Initiative

(0day) IBM Lotus Notes cai URI Handler Remote Code Execution Vulnerability

ZDI-11-051: February 7th, 2011


CVSS Score

Affected Vendors

Affected Products

    Lotus Notes

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of IBM Lotus Notes. User interaction is required to exploit this vulnerability.

The specific flaw exists within the handling of malformed strings within cai:// URIs. The '--launcher.library' switch can be injected and directed to load a DLL from a network share. This will result in code execution under the context of the current user.

Vendor Response

IBM states:


Disclosure Timeline

    2009-12-18 - Vulnerability reported to vendor
    2011-02-07 - Coordinated public release of advisory


This vulnerability was discovered by: