Microsoft Internet Explorer 5.5/6.0 Address Bar authentication spoofing

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Internet Explorer 5.5/6.0. Impacted is an unknown function of the component Address Bar. The manipulation results in authentication spoofing. This vulnerability was named CVE-2004-0843. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 5.5/6.0 (Web Browser). Affected is an unknown part of the component Address Bar. The manipulation with an unknown input leads to a authentication spoofing vulnerability. CWE is classifying the issue as CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. This is going to have an impact on integrity. CVE summarizes:

Internet Explorer 5.5 and 6 does not properly handle plug-in navigation, which allows remote attackers to alter displayed address bars and thereby spoof web pages, facilitating phishing attacks, aka the "Plug-in Navigation Address Bar Spoofing Vulnerability."

The issue has been introduced in 07/08/2000. The weakness was presented 11/03/2004 (Website). The advisory is shared for download at us-cert.gov. This vulnerability is traded as CVE-2004-0843 since 09/08/2004. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1579 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 10861 (MS02-005: MSIE 5.01 5.5 6.0 Cumulative Patch (890923)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100018 (Microsoft Internet Explorer Multiple Vulnerabilities (MS04-038)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (17651), Tenable (10861), SecurityFocus (BID 11381†) and Vulnerability Center (SBV-5553†). See VDB-3, VDB-45, VDB-257 and VDB-285 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 10861
Nessus Name: MS02-005: MSIE 5.01 5.5 6.0 Cumulative Patch (890923)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 10861
OpenVAS Name: IE 5.01 5.5 6.0 Cumulative patch (890923)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

07/08/2000 🔍
09/08/2004 +1523 days 🔍
10/12/2004 +34 days 🔍
10/13/2004 +1 days 🔍
11/03/2004 +21 days 🔍
11/03/2004 +0 days 🔍
06/22/2015 +3883 days 🔍
01/02/2025 +3482 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Status: Confirmed

CVE: CVE-2004-0843 (🔍)
GCVE (CVE): GCVE-0-2004-0843
GCVE (VulDB): GCVE-100-22368

OVAL: 🔍

CERT: 🔍
X-Force: 17651
SecurityFocus: 11381
Vulnerability Center: 5553 - [MS04-040] Microsoft Internet Explorer 5.5, 6.0 Allows Plug-in Navigation Address Bar Spoofing, Medium

See also: 🔍

Entryinfo

Created: 06/22/2015 15:52
Updated: 01/02/2025 18:40
Changes: 06/22/2015 15:52 (70), 05/07/2019 12:39 (3), 06/30/2021 12:50 (4), 01/02/2025 18:40 (17)
Complete: 🔍
Cache ID: 216:00A:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!