Executive Summary

Summary
TitleIO::Socket::SSL: Certificate validation error
Informations
NameGLSA-201101-06First vendor Publication2011-01-16
VendorGentooLast vendor Modification2011-01-16
Severity (Vendor) NormalRevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Cvss Base Score4.3Attack RangeNetwork
Cvss Impact Score2.9Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

An error in the hostname matching of IO::Socket::SSL might enable remote attackers to conduct man-in-the-middle attacks.

Background

IO::Socket::SSL is a Perl class implementing an object oriented interface to SSL sockets.

Description

The vendor reported that IO::Socket::SSL does not properly handle Common Name (CN) fields.

Impact

A remote attacker might employ a specially crafted certificate to conduct man-in-the-middle attacks on SSL connections made using IO::Socket::SSL.

Workaround

There is no known workaround at this time.

Resolution

All IO::Socket::SSL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-perl/IO-Socket-SSL-1.26"

References

[ 1 ] CVE-2009-3024 : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3024

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201101-06.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201101-06.xml

CWE : Common Weakness Enumeration

idName
CWE-310Cryptographic Issues

CPE : Common Platform Enumeration

TypeDescriptionCount
Application15

OpenVAS Exploits

DateDescription
2011-03-09Name : Gentoo Security Advisory GLSA 201101-06 (IO::Socket::SSL)
File : nvt/glsa_201101_06.nasl
2010-06-14Name : Perl IO::Socket::SSL 'verify_hostname_of_cert()' Security Bypass Vulnerability
File : nvt/gb_perl_io_socket_ssl_35587.nasl
2009-12-10Name : Mandriva Security Advisory MDVSA-2009:252-1 (perl-IO-Socket-SSL)
File : nvt/mdksa_2009_252_1.nasl
2009-10-11Name : SLES11: Security update for perl-IO-Socket-SSL
File : nvt/sles11_perl-IO-Socket-.nasl
2009-09-21Name : SuSE Security Summary SUSE-SR:2009:015
File : nvt/suse_sr_2009_015.nasl
2009-07-29Name : Fedora Core 11 FEDORA-2009-7435 (perl-IO-Socket-SSL)
File : nvt/fcore_2009_7435.nasl
2009-07-29Name : Fedora Core 10 FEDORA-2009-7544 (perl-IO-Socket-SSL)
File : nvt/fcore_2009_7544.nasl

Open Source Vulnerability Database (OSVDB)

idDescription
55686Perl IO::Socket::SSL verify_hostname_of_cert Function Hostname Matching Certi...

Nessus® Vulnerability Scanner

DateDescription
2011-01-17Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201101-06.nasl - Type : ACT_GATHER_INFO
2009-10-02Name : The remote Mandriva Linux host is missing a security update.
File : mandriva_MDVSA-2009-252.nasl - Type : ACT_GATHER_INFO
2009-09-24Name : The remote SuSE 11 host is missing a security update.
File : suse_11_perl-IO-Socket-SSL-090901.nasl - Type : ACT_GATHER_INFO
2009-09-09Name : The remote openSUSE host is missing a security update.
File : suse_11_1_perl-IO-Socket-SSL-090901.nasl - Type : ACT_GATHER_INFO

Alert History

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0
DateInformations
2014-02-17 11:36:58
  • Multiple Updates