Buffer Overflow in Lotus Domino Mail Server

Overview

Lotus Domino R5 SMTP Server Contains a Buffer Overflow

Description

The Lotus Domino R5 SMTP server allows an administrator to restrict the domains from which the server will accept mail. In versions of Domino R5 prior to version 5.0.6 with domain restrictions enabled an intruder may be able to overflow a buffer and execute code or disrupt the ordinary operation of the server. Servers without domain restrictions are not affaected, nor are versions 4.x and earlier.

Additional detail can be found in a Lotus Customer Support Technote.

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Impact

Intruders can execute code with the privileges of the process running the SMTP server.

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Solution

Upgrade to Domino version 5.0.6.

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Removing domain restrictions will eliminate this vulnerability, but may not be consistent with other security policies at your site.

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Vendor Information

666872

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Lotus __ Affected

Notified: February 06, 2001 Updated: February 07, 2001

Status

Affected

Vendor Statement

See http://support.lotus.com/sims2.nsf/eb5fbc0ab175cf0885256560005206cf/a05d4ad614858e0a852569e6005f1fc5?OpenDocument&Highlight=0,184329

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23666872 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.securityfocus.com/bid/2283&gt;
• <http://www.safermag.com/advisories/0012.html&gt;
• http://www.notes.net/R5FixList.nsf/5c087391999d06e7852569280062619d/0b8b42b317c59e38852569e00078e62b?OpenDocument&Highlight=0,CMAS4NNLVG
• http://support.lotus.com/sims2.nsf/eb5fbc0ab175cf0885256560005206cf/a05d4ad614858e0a852569e6005f1fc5?OpenDocument&Highlight=0,184329

Acknowledgements

This issue was originally discovered and reported by Security Research Team, who published their finding as SAFER Security Bulletin 010123.EXP.1.10.

This document was written by Shawn V. Hernan

Other Information

CVE IDs:	CVE-2001-0260
Severity Metric:	13.37 Date Public: