IBM Websphere Caching Proxy Server up to 3.6/4.0.1.26 HTTP Request helpout.exe denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in IBM Websphere Caching Proxy Server up to 3.6/4.0.1.26. Impacted is an unknown function of the file helpout.exe of the component HTTP Request Handler. This manipulation causes denial of service. This vulnerability appears as CVE-2002-1169. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in IBM Websphere Caching Proxy Server up to 3.6/4.0.1.26 (Application Server Software). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the file helpout.exe of the component HTTP Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

IBM Web Traffic Express Caching Proxy Server 3.6 and 4.x before 4.0.1.26 allows remote attackers to cause a denial of service (crash) via an HTTP request to helpout.exe with a missing HTTP version number, which causes ibmproxy.exe to crash.

The weakness was presented 10/23/2002 by Joe Testa (Website). It is possible to read the advisory at rapid7.com. This vulnerability is known as CVE-2002-1169. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 11162 (IBM WebSphere Edge Caching Proxy 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 10896 (IBM WebSphere Edge Server Caching Proxy Denial of Service Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 2057.

The vulnerability is also documented in the databases at X-Force (10452), Exploit-DB (21949), Tenable (11162), SecurityFocus (BID 6002†) and OSVDB (2090†). See VDB-19122 and VDB-19121 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 11162
Nessus Name: IBM WebSphere Edge Caching Proxy DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11162
OpenVAS Name: WebSphere Edge caching proxy denial of service
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 2057
Snort Message: SERVER-WEBAPP helpout.exe access
Snort Class: 🔍
SourceFire IPS: 🔍

Timelineinfo

10/18/2002 🔍
10/18/2002 +0 days 🔍
10/23/2002 +5 days 🔍
10/23/2002 +0 days 🔍
11/04/2002 +11 days 🔍
11/25/2002 +21 days 🔍
02/09/2003 +76 days 🔍
06/10/2003 +121 days 🔍
07/30/2014 +4067 days 🔍
09/07/2025 +4057 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: rapid7.com
Researcher: Joe Testa
Status: Confirmed

CVE: CVE-2002-1169 (🔍)
GCVE (CVE): GCVE-0-2002-1169
GCVE (VulDB): GCVE-100-19123
X-Force: 10452
SecurityFocus: 6002 - IBM Websphere Caching Proxy Denial Of Service Vulnerability
OSVDB: 2090 - IBM WebSphere Caching Proxy DoS
Vulnerability Center: 914 - IBM Websphere Caching Proxy Denial Of Service Vulnerability, High

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

Entryinfo

Created: 07/30/2014 18:13
Updated: 09/07/2025 12:12
Changes: 07/30/2014 18:13 (78), 05/09/2019 14:27 (2), 02/18/2025 04:39 (27), 09/07/2025 12:12 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!