Input validation error in macOS and macOS Server - CVE-2011-3227
Published: October 14, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44608
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-3227
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.
libsecurity in Apple Mac OS X before 10.7.2 does not properly handle errors during processing of a nonstandard extension in a Certificate Revocation list (CRL), which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) a crafted (1) web site or (2) e-mail message.
How to mitigate CVE-2011-3227
Install update from vendor's website.