7.5
CVSSv2

CVE-2009-0653

Published: 20/02/2009 Updated: 25/06/2009
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

OpenSSL, probably 0.9.6, does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote malicious users to spoof the certificates of trusted sites via a man-in-the-middle attack, a related issue to CVE-2002-0970.

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openssl openssl 0.9.6

Vendor Advisories

Debian Bug report logs - #517791 CVE-2009-0653: missing verification Package: openssl; Maintainer for openssl is Debian OpenSSL Team <pkg-openssl-devel@listsaliothdebianorg>; Source for openssl is src:openssl (PTS, buildd, popcon) Reported by: Steffen Joeris <steffenjoeris@skolelinuxde> Date: Mon, 2 Mar 2009 02 ...