VDB-14274 · CVE-1999-0869 · MS98-020

Microsoft Internet Explorer up to 4.0.1 Frame 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.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Internet Explorer up to 4.0.1. The impacted element is an unknown function of the component Frame Handler. The manipulation results in authentication spoofing. This vulnerability is cataloged as CVE-1999-0869. The attack may be launched remotely. Furthermore, there is an exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Internet Explorer up to 4.0.1 (Web Browser). Affected is an unknown functionality of the component Frame 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. CVE summarizes:

Internet Explorer 3.x to 4.01 allows a remote attacker to insert malicious content into a frame of another web site, aka frame spoofing.

The issue has been introduced in 08/13/1996. The weakness was shared 12/01/1998 as MS98-020 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is traded as CVE-1999-0869. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 840 days. During that time the estimated underground price was around $5k-$25k.

Applying the patch MS98-020 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (1598), Exploit-DB (19662), Secunia (SA13412†) and Vulnerability Center (SBV-4322†). The entries VDB-1545, VDB-1544, VDB-14930 and VDB-21960 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Web Browser

Vendor

Microsoft

Name

Internet Explorer

Version

License

commercial

Support

end of life

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS98-020

Timelineinfo

08/13/1996 🔍
12/01/1998 +840 days 🔍
12/01/1998 +0 days 🔍
12/01/1998 +0 days 🔍
05/19/2004 +1996 days 🔍
06/19/2014 +3683 days 🔍
02/19/2025 +3898 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS98-020
Status: Confirmed

CVE: CVE-1999-0869 (🔍)
GCVE (CVE): GCVE-0-1999-0869
GCVE (VulDB): GCVE-100-14274
X-Force: 1598
Secunia: 13412
Vulnerability Center: 4322 - [MS98-020] Internet Explorer 3.x to 4.01 Allows Frame Spoofing, Medium

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

Entryinfo

Created: 06/19/2014 22:53
Updated: 02/19/2025 07:56
Changes: 06/19/2014 22:53 (46), 04/07/2017 12:05 (17), 02/19/2025 07:56 (25)
Complete: 🔍
Cache ID: 216:F9A:103

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