National Cyber Awareness System
Vulnerability Summary for CVE-2009-4028
Original release date:11/30/2009
Last revised:06/24/2011
Source:
US-CERT/NIST
Overview
The vio_verify_callback function in viosslfactories.c in MySQL 5.0.x before 5.0.88 and 5.1.x before 5.1.41, when OpenSSL is used, accepts a value of zero for the depth of X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary SSL-based MySQL servers via a crafted certificate, as demonstrated by a certificate presented by a server linked against the yaSSL library.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2010-1107
Type: Advisory
External Source: REDHAT
Name: RHSA-2010:0109
External Source: MLIST
Name: [oss-security] 20091123 Re: mysql-5.1.41
External Source: MLIST
Name: [oss-security] 20091119 mysql-5.1.41
External Source: OVAL
Name: oval:org.mitre.oval:def:8510
External Source: OVAL
Name: oval:org.mitre.oval:def:10940
External Source: MLIST
Name: [oss-security] 20091121 CVE Request - MySQL - 5.0.88
External Source: SUSE
Name: SUSE-SR:2010:011
External Source: MLIST
Name: [commits] 20091020 bzr commit into mysql-4.1 branch (joro:2709) Bug#47320
External Source: CONFIRM
Name: http://dev.mysql.com/doc/refman/5.1/en/news-5-1-41.html
External Source: CONFIRM
Name: http://dev.mysql.com/doc/refman/5.0/en/news-5-0-88.html
External Source: CONFIRM
Name: http://bugs.mysql.com/47320
References to Check Content
Identifier:oval:org.mitre.oval:def:10940
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:8510
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5