Input validation error in macOS and macOS Server - CVE-2011-0199
Published: June 24, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44915
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-0199
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS Server
macOS
macOS Server
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
How to mitigate CVE-2011-0199
Install update from vendor's website.