IBM Lotus Domino up to 6.5.1 Web Service /cgi-bin denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in IBM Lotus Domino up to 6.5.1. The impacted element is an unknown function in the library NLSCCSTR.DLL of the file /cgi-bin of the component Web Service. The manipulation results in denial of service. This vulnerability was named CVE-2005-0986. The attack may be performed from remote. In addition, an exploit is available. It is best to exchange the affected component with an alternative.

Detailsinfo

A vulnerability was found in IBM Lotus Domino up to 6.5.1 (Groupware Software). It has been classified as critical. Affected is an unknown functionality in the library NLSCCSTR.DLL of the file /cgi-bin of the component Web Service. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

NLSCCSTR.DLL in the web service in IBM Lotus Domino Server 6.5.1, 6.0.3, and possibly other versions allows remote attackers to cause a denial of service (deep recursion and nHTTP.exe process crash) via a long GET request containing UNICODE decimal value 430 characters, which causes the stack to be exhausted. NOTE: IBM has reported that it is unable to replicate this issue.

The bug was discovered 02/07/2005. The weakness was presented 04/06/2005 with iDEFENSE (Website). The advisory is available at idefense.com. This vulnerability is traded as CVE-2005-0986 since 04/06/2005. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 58 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17991 (IBM Lotus Domino Web Service NLSCCSTR.DLL Malformed GET Request Overflow DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86698 (IBM Lotus Domino Server Web Service Remote Denial of Service).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at www-1.ibm.com. The problem might be mitigated by replacing the product with as an alternative. The best possible mitigation is suggested to be establishing an alternative product. A possible mitigation has been published 2 days after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 9078.

The vulnerability is also documented in the databases at Tenable (17991), SecurityFocus (BID 13045†), OSVDB (15319†), Secunia (SA14858†) and SecurityTracker (ID 1013656†). See VDB-1340, VDB-1342 and VDB-1341 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

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Current Price Estimation: 🔍

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Nessus ID: 17991
Nessus Name: IBM Lotus Domino Web Service NLSCCSTR.DLL Malformed GET Request Overflow DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Alternative
Status: 🔍

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0-Day Time: 🔍
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Exploit Delay Time: 🔍

Patch: www-1.ibm.com
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

02/07/2005 🔍
04/06/2005 +58 days 🔍
04/06/2005 +0 days 🔍
04/06/2005 +0 days 🔍
04/06/2005 +0 days 🔍
04/06/2005 +0 days 🔍
04/06/2005 +0 days 🔍
04/07/2005 +1 days 🔍
04/07/2005 +0 days 🔍
04/07/2005 +0 days 🔍
04/08/2005 +0 days 🔍
04/12/2005 +4 days 🔍
04/12/2005 +0 days 🔍
05/02/2005 +20 days 🔍
07/04/2025 +7368 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: idefense.com⛔
Researcher: http://www.idefense.com
Organization: iDEFENSE
Status: Confirmed

CVE: CVE-2005-0986 (🔍)
GCVE (CVE): GCVE-0-2005-0986
GCVE (VulDB): GCVE-100-1338
SecurityFocus: 13045 - IBM Lotus Domino Server Web Service Remote Denial Of Service Vulnerability
Secunia: 14858 - Lotus Domino Web Service Denial of Service Vulnerability, Moderately Critical
OSVDB: 15319 - IBM Lotus Domino Web Service NLSCCSTR.DLL Malformed GET Request Overflow DoS
SecurityTracker: 1013656
Vulnerability Center: 7571 - DoS in IBM Lotus Domino Web Server via Long Unicode String, High
Vupen: ADV-2005-0322

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/12/2005 16:44
Updated: 07/04/2025 19:01
Changes: 04/12/2005 16:44 (99), 07/02/2019 09:46 (5), 07/04/2025 19:01 (23)
Complete: 🔍
Cache ID: 216:A88:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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