Adam Megacz TinySSL 1.0.2 CA-signed Certificate authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Adam Megacz TinySSL 1.0.2. Affected by this issue is some unknown functionality of the component CA-signed Certificate Handler. This manipulation causes authentication spoofing. The identification of this vulnerability is CVE-2002-1407. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Adam Megacz TinySSL 1.0.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component CA-signed Certificate Handler. The manipulation with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

TinySSL 1.02 and earlier does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack.

The weakness was shared 04/11/2003 by Mike (Website). The advisory is shared at marc.theaimsgroup.com. This vulnerability is known as CVE-2002-1407. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

The vulnerability is also documented in the databases at X-Force (9776) and SecurityFocus (BID 5410†). The entries VDB-18778, VDB-18814 and VDB-19194 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/06/2002 🔍
04/11/2003 +248 days 🔍
04/11/2003 +0 days 🔍
08/08/2014 +4137 days 🔍
06/13/2018 +1405 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Mike
Status: Confirmed

CVE: CVE-2002-1407 (🔍)
GCVE (CVE): GCVE-0-2002-1407
GCVE (VulDB): GCVE-100-20329
X-Force: 9776 - Multiple vendor SSL intermediate CA-signed certificate spoofing
SecurityFocus: 5410 - Multiple Vendor Invalid X.509 Certificate Chain Vulnerability

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

Entryinfo

Created: 08/08/2014 12:43
Updated: 06/13/2018 09:29
Changes: 08/08/2014 12:43 (45), 06/13/2018 09:29 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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