ZDI-10-177: IBM Lotus Domino iCalendar MAILTO Stack Overflow Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-177 September 14, 2010
-- CVSS: 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
-- Affected Vendors: IBM
-- Affected Products: IBM Lotus Domino
-- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 6319. For further product information on the TippingPoint IPS, visit:
-- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on systems with vulnerable installations of IBM Lotus Domino. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the nrouter.exe service while processing a malformed e-mail. The process copies the contents of the MAILTO header within a calendar request into a fixed size stack buffer. By providing enough data this buffer can overflow leading to arbitrary code execution under the context of the SYSTEM user.
-- Vendor Response: IBM has issued an update to correct this vulnerability. More details can be found at:
-- Disclosure Timeline: 2008-08-26 - Vulnerability reported to vendor 2010-09-14 - Coordinated public release of advisory
-- Credit: This vulnerability was discovered by: * Anonymous
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