ZDI-11-051: IBM Lotus Notes cai URI Handler Remote Code Execution Vulnerability

[ZDI Disclosures <zdi-disclosures@xxxxxxxxxxxxxxxx>]

ZDI-11-051: IBM Lotus Notes cai URI Handler Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-051

February 7, 2011 - This vulnerability is being disclosed publicly without a 
patch in accordance with the ZDI 180 day deadline. To view mitigations for this 
vulnerability please see: 
http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-ibm

-- Affected Vendors:
IBM

-- Affected Products:
IBM 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.

-- Disclosure Timeline:
2009-12-18 - Vulnerability reported to vendor
2011-02-07 - Public release of advisory

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

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

    http://twitter.com/thezdi