Microsoft Internet Explorer 4.0.1/5.0 Javascript privileges management

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Internet Explorer 4.0.1/5.0 and classified as critical. Affected by this issue is some unknown functionality of the component Javascript. This manipulation causes privileges management. This vulnerability appears as CVE-1999-0793. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 4.0.1/5.0 (Web Browser). It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Javascript. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. The summary by CVE is:

Internet Explorer allows remote attackers to read files by redirecting data to a Javascript applet.

The issue has been introduced in 11/18/1997. The weakness was presented 11/17/1999 as MS99-043 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-1999-0793. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is possible to download the exploit 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 729 days. During that time the estimated underground price was around $25k-$100k.

Applying the patch MS99-043 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 (3327), Exploit-DB (19559) and Vulnerability Center (SBV-4251†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
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Price Prediction: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS99-043

Timelineinfo

11/18/1997 🔍
10/18/1999 +699 days 🔍
11/17/1999 +30 days 🔍
11/17/1999 +0 days 🔍
05/04/2004 +1630 days 🔍
06/22/2014 +3701 days 🔍
02/28/2025 +3904 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS99-043
Status: Confirmed

CVE: CVE-1999-0793 (🔍)
GCVE (CVE): GCVE-0-1999-0793
GCVE (VulDB): GCVE-100-14983
X-Force: 3327
Vulnerability Center: 4251 - [MS99-043] Internet Explorer Allows Files Disclosure, Medium

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

Entryinfo

Created: 06/22/2014 14:57
Updated: 02/28/2025 21:32
Changes: 06/22/2014 14:57 (46), 04/07/2017 12:06 (16), 02/28/2025 21:32 (24)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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