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Vulnerability Note VU#355169

Lotus Domino Web Server vulnerable to denial of service via incomplete POST request

Overview

Lotus Domino Web Server is an application that provides access to Lotus Notes databases via HTTP requests. A vulnerability exists that could permit a remote attacker to cause a denial-of-service situation for HTTP requests.

I. Description

Lotus Domino Web Server contains a vulnerability in the nhttp.exe application that could permit a remote attacker to cause a denial-of-service situation when generating incomplete HTTP POST requests. This vulnerability was reportedly discovered using a Windows 2000 (SP3) machine running Domino Release 6.0.

Further information is available in NGSSoftware advisory NISR17022003b and in IBM Technote 1104528 (SPR# KSPR5HTQHS). This vulnerability is addressed in Domino Releases 6.0.1 and 5.0.12.

II. Impact

A remote attacker may cause a denial-of-service situation for HTTP requests.

III. Solution

Upgrade to Domino Release 6.0.1 or 5.0.12.

There are no known workarounds for this vulnerability.

Systems Affected

VendorStatusDate Updated
Lotus Software Vulnerable17-Mar-2003

References

http://www.kb.cert.org/vuls/id/206361
http://www.kb.cert.org/vuls/id/542873
http://www.kb.cert.org/vuls/id/571297
http://www.kb.cert.org/vuls/id/772817
http://www.nextgenss.com/advisories/lotus-60dos.txt
http://www-1.ibm.com/support/docview.wss?uid=swg21104528
http://www-1.ibm.com/support/docview.wss?uid=swg27003694
http://www-1.ibm.com/services/continuity/recover1.nsf/4699c03b46f2d4f68525678c006d45ae/85256a3400529a8685256cd7007ad897?OpenDocument
http://www14.software.ibm.com/webapp/download/search.jsp?q=&cat=&pf=&k=&dt=&go=y&rs=ESD-DMNTSRVRi&S_TACT=&S_CMP=&sb=r

Credit

Thanks to Mark Litchfield of NGS Software for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

Date Public02/17/2003
Date First Published02/21/2003 02:40:40 PM
Date Last Updated03/26/2003
CERT AdvisoryCA-2003-11
CVE Name 
US-CERT Technical Alerts 
Metric3.71
Document Revision16

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