CVE-2009-0653
OpenSSL - Improper Certificate Validation via Missing Basic Constraints Check
Title source: llmDescription
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.
References (2)
Core 2
Core References
Exploit x_refsource_misc
https://www.blackhat.com/presentations/bh-dc-09/Marlinspike/BlackHat-DC-09-Marlinspike-Defeating-SSL.pdf
Various Sources x_refsource_misc
http://www.blackhat.com/html/bh-dc-09/bh-dc-09-speakers.html#Marlinspike
Scores
EPSS
0.0026
EPSS Percentile
49.4%
Details
CWE
CWE-287
Status
published
Products (1)
openssl/openssl
0.9.6
Published
Feb 20, 2009
Tracked Since
Feb 18, 2026