PT-2011-4320 · Apple · Libsecurity+1

Richard Godbee · Published 2011-10-14 · Updated 2012-01-14 · CVE-2011-3227

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions libsecurity in Apple Mac OS X versions prior to 10.7.2

Description The issue arises from the improper handling of errors during the processing of a nonstandard extension in a Certificate Revocation list (CRL) by libsecurity. This can be exploited by remote attackers through a crafted web site or e-mail message, potentially leading to the execution of arbitrary code or a denial of service, resulting in an application crash.

Recommendations For versions prior to 10.7.2, update to version 10.7.2 or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2011-3227

Affected Products

Macos X

Libsecurity

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2011-3227 · Security Note
• http://support.apple.com/kb/HT5002 · Vendor Advisory
• http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html · Vendor Advisory
• http://securityfocus.com/bid/50085 · Note