Microsoft Proxy Server/ISA Server up to 2000 DNS Revese Lookup Cache 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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Proxy Server and ISA Server up to 2000. This affects an unknown part of the component DNS Revese Lookup Cache Handler. Performing a manipulation results in authentication spoofing. This vulnerability is identified as CVE-2004-0892. The attack can be initiated remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Proxy Server and ISA Server up to 2000 (Firewall Software). This affects an unknown functionality of the component DNS Revese Lookup Cache Handler. 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 confidentiality, integrity, and availability.

The bug was discovered . The weakness was released 11/09/2004 by Martijn de Vries and Thomas de Klerk with Info Support International as MS04-039 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-2004-0892 since 09/22/2004. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but an exploit is available.

The exploit is shared for download at heise.de. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 12731 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 15714 (MS04-039: ISA Server 2000 and Proxy Server 2.0 Internet Content Spoofing (888258)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90196 (Microsoft ISA Server 2000 Internet Content Spoofing Vulnerability (MS04-039)).

Upgrading eliminates this vulnerability. Applying the patch MS04-039 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 15988. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 31775.

The vulnerability is also documented in the databases at X-Force (17906), Tenable (15714), SecurityFocus (BID 11605†), OSVDB (11579†) and Secunia (SA13147†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 15714
Nessus Name: MS04-039: ISA Server 2000 and Proxy Server 2.0 Internet Content Spoofing (888258)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 15714
OpenVAS Name: ISA Server 2000 and Proxy Server 2.0 Internet Content Spoofing (888258)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS04-039

Snort ID: 15988
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍

Timelineinfo

09/22/2004 🔍
11/04/2004 +43 days 🔍
11/09/2004 +5 days 🔍
11/09/2004 +0 days 🔍
11/09/2004 +0 days 🔍
11/09/2004 +0 days 🔍
11/09/2004 +0 days 🔍
11/09/2004 +0 days 🔍
11/10/2004 +0 days 🔍
11/10/2004 +0 days 🔍
11/13/2004 +3 days 🔍
01/27/2005 +75 days 🔍
07/07/2025 +7466 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS04-039
Researcher: Martijn de Vries, Thomas de Klerk
Organization: Info Support International
Status: Confirmed

CVE: CVE-2004-0892 (🔍)
GCVE (CVE): GCVE-0-2004-0892
GCVE (VulDB): GCVE-100-981

OVAL: 🔍

X-Force: 17906 - Microsoft ISA Server and Proxy Server allow Web site spoofing caused by cache reverse lookup results, Medium Risk
SecurityFocus: 11605 - Microsoft ISA and Proxy Server Web Site Spoofing Vulnerability
Secunia: 13147 - Microsoft ISA Server / Proxy Server Internet Content Spoofing Vulnerability, Moderately Critical
OSVDB: 11579 - Microsoft ISA Server / Proxy Server Internet Content Spoofing
SecurityTracker: 1012154
SecuriTeam: securiteam.com
Vulnerability Center: 5752 - [MS04-039] Microsoft ISA and Proxy Server Enable Spoofing Trusted Web Sites, High

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

Entryinfo

Created: 11/10/2004 11:05
Updated: 07/07/2025 15:23
Changes: 11/10/2004 11:05 (105), 06/30/2019 09:41 (4), 03/10/2021 10:32 (3), 07/07/2025 15:23 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!