CVE-2009-4028

CVE Details

Release Date:	2009-11-30
Impact:	Moderate	What is this?

Description

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.

See more information about CVE-2009-4028 from MITRE CVE dictionary and NIST NVD

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

CVSS v2 metrics

Base Score:	6.8
Vector String:	AV:N/AC:M/Au:N/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (mysql)	ELSA-2010-0109	2010-02-16