Vulnerability Note VU#332299

Lotus Domino R5 Server vulnerable to DoS via nmap RPC scan on port 443/tcp

Overview

Versions earlier than 5.0.9 of Lotus Domino R5 Servers with Secure Socket Layer (SSL) enabled are vulnerable to a denial of sevice.

I. Description

A remote user is able to crash the HTTP serving process on any Lotus Domino R5 Server using the nmap utility. Sending a request to port 443, the browser SSL port, will cause the HTTP server to stop responding.

II. Impact

A denial of service is caused.

III. Solution

Lotus has released R5.0.9 to address this.

Disable SSL. Apply an application layer filter to block scans connections to port 443.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Lotus	Vulnerable	17-Jul-2001

References

Credit

Our thanks to Mike Priest, who discovered this problem and reported it to Lotus and the CERT/CC.

This document was written by Jason Rafail.

Other Information

Date Public:	2001-11-30
Date First Published:	2001-12-04
Date Last Updated:	2001-12-04
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Severity Metric:	7.51
Document Revision:	14

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