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Category:   Application (Generic)  >   IBM Lotus Notes Vendors:   IBM
IBM Lotus Domino iCalendar Stack Overflow in MAILTO Processing Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024448
SecurityTracker URL:  http://securitytracker.com/id/1024448
CVE Reference:   CVE-2010-3407   (Links to External Site)
Updated:  Sep 27 2010
Original Entry Date:  Sep 14 2010
Impact:   Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.0.x, 8.5.x
Description:   A vulnerability was reported in IBM Lotus Domino iCalendar. A remote user can execute arbitrary code on the target system.

A remote user can send a calendar request with a specially crafted MAILTO header value to trigger a stack overflow and execute arbitrary code on the target system. The code will run with the privileges of the target 'nrouter.exe' service (System privileges).

The vendor was notified on August 26, 2008.

An anonymous researcher reported this vulnerability via Tipping Point's Zero Day Initiative and MWR InfoSecurity reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (8.0.2 FP5, 8.5.1 FP2, 8.5.2).

The vendor's advisory is available at:

http://www-01.ibm.com/support/docview.wss?uid=swg21446515

Vendor URL:  www-01.ibm.com/support/docview.wss?uid=swg21446515 (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Any), UNIX (AIX), UNIX (Solaris - SunOS), Windows (Any), z/OS

Message History:   None.


 Source Message Contents

Date:  Tue, 14 Sep 2010 12:59:13 -0500
Subject:  ZDI-10-177: IBM Lotus Domino iCalendar MAILTO Stack Overflow Vulnerability

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:

    http://www.tippingpoint.com

-- 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:

http://www-01.ibm.com/support/docview.wss?rs=475&uid=swg21446515

-- Disclosure Timeline:
2008-08-26 - Vulnerability reported to vendor
2010-09-14 - Coordinated public release of advisory

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

-- 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
 
 


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