National Cyber Awareness System
Vulnerability Summary for CVE-2012-2122
Original release date:06/26/2012
Last revised:10/13/2012
Source:
US-CERT/NIST
Overview
sql/password.c in Oracle MySQL 5.1.x before 5.1.63, 5.5.x before 5.5.24, and 5.6.x before 5.6.6, and MariaDB 5.1.x before 5.1.62, 5.2.x before 5.2.12, 5.3.x before 5.3.6, and 5.5.x before 5.5.23, when running in certain environments with certain implementations of the memcmp function, allows remote attackers to bypass authentication by repeatedly authenticating with the same incorrect password, which eventually causes a token comparison to succeed due to an improperly-checked return value.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
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
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: MLIST
Name: [oss-security] 20120609 Security vulnerability in MySQL/MariaDB sql/password.c
Type: Patch Information
External Source: MISC
Name: https://community.rapid7.com/community/metasploit/blog/2012/06/11/cve-2012-2122-a-tragically-comedic-security-flaw-in-mysql
External Source: BID
Name: 53911
External Source: EXPLOIT-DB
Name: 19092
External Source: SECTRACK
Name: 1027143
External Source: SECUNIA
Name: 49417
Type: Advisory
External Source: SUSE
Name: SUSE-SU-2012:0984
External Source: CONFIRM
Name: http://kb.askmonty.org/en/mariadb-5162-release-notes/
External Source: MISC
Name: http://bugs.mysql.com/bug.php?id=64884