National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-0199)

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Last updated: Tue May 21 18:14:35 EDT 2013

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Vulnerability Summary for CVE-2011-0199

Original release date:06/24/2011

Last revised:10/27/2011

Source: US-CERT/NIST

Overview

The Certificate Trust Policy component in Apple Mac OS X before 10.6.8 does not perform CRL checking for Extended Validation (EV) certificates that lack OCSP URLs, which might allow man-in-the-middle attackers to spoof an SSL server via a revoked certificate.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:5.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:N) (legend)

Impact Subscore: 4.9

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: http://support.apple.com/kb/HT4723

Type: Advisory; Patch Information

Hyperlink:http://support.apple.com/kb/HT4723

External Source: APPLE

Name: APPLE-SA-2011-06-23-1

Type: Advisory; Patch Information

Hyperlink:http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html

External Source: BID

Name: 48447

Hyperlink:http://www.securityfocus.com/bid/48447