CVEvulnerability
CVE-2009-0653
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2009-02-20
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-287
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.
Affected configurations
• openssl openssl 0.9.6
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- http://www.blackhat.com/html/bh-dc-09/bh-dc-09-speakers.html#Marlinspike www.blackhat.com
- https://www.blackhat.com/presentations/bh-dc-09/Marlinspike/BlackHat-DC-09-Marlinspike-Defeating-SSL.pdf Exploit
- http://www.blackhat.com/html/bh-dc-09/bh-dc-09-speakers.html#Marlinspike www.blackhat.com
- https://www.blackhat.com/presentations/bh-dc-09/Marlinspike/BlackHat-DC-09-Marlinspike-Defeating-SSL.pdf Exploit