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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2009-0653 Detail

Description

OpenSSL, probably 0.9.6, 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, a related issue to CVE-2002-0970.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/02/2009)

Not vulnerable. This issue was addressed in upstream OpenSSL prior to 0.9.6 and therefore does not affect the versions of OpenSSL as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.blackhat.com/html/bh-dc-09/bh-dc-09-speakers.html#Marlinspike
http://www.blackhat.com/html/bh-dc-09/bh-dc-09-speakers.html#Marlinspike
https://www.blackhat.com/presentations/bh-dc-09/Marlinspike/BlackHat-DC-09-Marlinspike-Defeating-SSL.pdf Exploit 
https://www.blackhat.com/presentations/bh-dc-09/Marlinspike/BlackHat-DC-09-Marlinspike-Defeating-SSL.pdf Exploit 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-0653
NVD Published Date:
02/20/2009
NVD Last Modified:
04/08/2025
Source:
MITRE