Microsoft Internet Explorer 4.0/4.0.1/5.0 SSL Session authentication spoofing

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

Summaryinfo

A vulnerability classified as problematic was found in Microsoft Internet Explorer 4.0/4.0.1/5.0. This issue affects some unknown processing of the component SSL Session Handler. The manipulation results in authentication spoofing. This vulnerability is cataloged as CVE-2000-0519. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Internet Explorer 4.0/4.0.1/5.0 (Web Browser). Affected is an unknown function of the component SSL Session 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 4.x and 5.x does not properly re-validate an SSL certificate if the user establishes a new SSL session with the same server during the same Internet Explorer session, aka one of two different "SSL Certificate Validation" vulnerabilities.

The issue has been introduced in 04/01/1997. The weakness was shared 06/05/2000 with Microsoft as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability is traded as CVE-2000-0519. 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. There are neither technical details nor an exploit publicly available.

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 $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4627), SecurityFocus (BID 1309†) and Vulnerability Center (SBV-797†). The entry VDB-15623 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 4.1

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
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 🔍
02/04/2003 +974 days 🔍
06/25/2014 +4159 days 🔍
04/07/2017 +1017 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: cert.org
Organization: Microsoft
Status: Confirmed

CVE: CVE-2000-0519 (🔍)
GCVE (CVE): GCVE-0-2000-0519
GCVE (VulDB): GCVE-100-15624
X-Force: 4627
SecurityFocus: 1309 - Microsoft IE SSL Certificates Vulnerability
Vulnerability Center: 797 - [MS00-039] Microsoft Internet Explorer 4/5 Improper Validation of SSL Certificates, Medium

See also: 🔍

Entryinfo

Created: 06/25/2014 10:01
Updated: 04/07/2017 12:06
Changes: 06/25/2014 10:01 (45), 04/07/2017 12:06 (20)
Complete: 🔍
Cache ID: 216:9FB:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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