CVE-2009-0653 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

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


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Vendor Statements (disclaimer)

Official Statement fromRed 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
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  

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Change History

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Quick Info

CVE Dictionary Entry:
CVE-2009-0653
NVD Published Date:
02/20/2009
NVD Last Modified:
06/25/2009
Source:
MITRE