Public Date:
660847: CVE-2010-4334 perl-IO-Socket-SSL: ignores user request for peer verification

The MITRE CVE dictionary describes this issue as:

The IO::Socket::SSL module 1.35 for Perl, when verify_mode is not VERIFY_NONE, fails open to VERIFY_NONE instead of throwing an error when a ca_file/ca_path cannot be verified, which allows remote attackers to bypass intended certificate restrictions.

Find out more about CVE-2010-4334 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect perl-IO-Socket-SSL version as shipped with Red Hat Enterprise Linux 5. Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification:

Red Hat Enterprise Linux 6:
This vulnerability has been rated as having a security impact of Low. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4
Base Metrics AV:N/AC:H/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 perl-IO-Socket-SSL Will not fix
Red Hat Enterprise Linux 5 perl-IO-Socket-SSL Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified

CVE description copyright © 2017, The MITRE Corporation