Microsoft Internet Explorer 4.0/4.0.1/5.0 SSL Connection privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

A vulnerability was found in Microsoft Internet Explorer 4.0/4.0.1/5.0 (Web Browser). It has been rated as critical. This issue affects some unknown processing of the component SSL Connection Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. The summary by CVE is:

Internet Explorer 4.x and 5.x does not properly verify all contents of an SSL certificate if a connection is made to the server via an image or a frame, aka one of two different "SSL Certificate Validation" vulnerabilities.

The issue has been introduced in 04/01/1997. The weakness was presented 06/05/2000 with Microsoft as confirmed advisory (CERT.org). It is possible to read the advisory at cert.org. The identification of this vulnerability is CVE-2000-0518. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1161 days. During that time the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (4624). See 15624 for similar entry.

Productinfo

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Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/01/1997 🔍
06/05/2000 +1161 days 🔍
06/05/2000 +0 days 🔍
06/05/2000 +0 days 🔍
06/05/2000 +0 days 🔍
09/28/2004 +1576 days 🔍
06/24/2014 +3556 days 🔍
04/07/2017 +1018 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: cert.org
Organization: Microsoft
Status: Confirmed

CVE: CVE-2000-0518 (🔍)
X-Force: 4624
Vulnerability Center: 5465 - [MS00-039] Microsoft Internet Explorer Insufficient SSL Certificate Validation, Medium
SecurityFocus: 1309 - Microsoft IE SSL Certificates Vulnerability

See also: 🔍

Entryinfo

Created: 06/24/2014 23:51
Updated: 04/07/2017 12:06
Changes: 06/24/2014 23:51 (45), 04/07/2017 12:06 (20)
Complete: 🔍

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