Microsoft Internet Explorer 4.0/5.0 DHTML Edit ActiveX Control 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 was found in Microsoft Internet Explorer 4.0/5.0. It has been rated as critical. This issue affects some unknown processing of the component DHTML Edit ActiveX Control. This manipulation causes privileges management. This vulnerability appears as CVE-1999-0487. 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 4.0/5.0 (Web Browser). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component DHTML Edit ActiveX Control. 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:

The DHTML Edit ActiveX control in Internet Explorer allows remote attackers to read arbitrary files.

The issue has been introduced in 04/01/1997. The weakness was presented 04/21/1999 as MS99-011 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-1999-0487. 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 750 days. During that time the estimated underground price was around $25k-$100k.

Applying the patch MS99-011 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (5107), Exploit-DB (19094) and Vulnerability Center (SBV-2867†). See VDB-15767 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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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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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: 🔍

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: MS99-011
SourceFire IPS: 🔍

Timelineinfo

04/01/1997 🔍
04/21/1999 +750 days 🔍
04/21/1999 +0 days 🔍
05/01/1999 +10 days 🔍
07/14/2000 +440 days 🔍
11/17/2003 +1221 days 🔍
06/20/2014 +3868 days 🔍
02/21/2025 +3899 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS99-011
Status: Confirmed

CVE: CVE-1999-0487 (🔍)
GCVE (CVE): GCVE-0-1999-0487
GCVE (VulDB): GCVE-100-14623
X-Force: 5107
Vulnerability Center: 2867 - [MS99-011] Internet Explorer 5.x and Microsoft Outlook Allow Reading of Arbitrary Files via ActiveX, Medium

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

Entryinfo

Created: 06/20/2014 23:59
Updated: 02/21/2025 15:18
Changes: 06/20/2014 23:59 (47), 04/07/2017 12:05 (17), 02/21/2025 15:18 (24)
Complete: 🔍
Cache ID: 216::103

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

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