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Last updated: 2/9/2016 6:48:23 AM

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Vulnerability Summary for CVE-2012-2122

Original release date: 06/26/2012
Last revised: 02/20/2014


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.1 (MEDIUM) (AV:N/AC:H/Au:N/C:P/I:P/A:P) (legend)
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

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External Source: MLIST
Name: [oss-security] 20120609 Security vulnerability in MySQL/MariaDB sql/password.c
Type: Patch Information
External Source: SECTRACK
Name: 1027143
External Source: BID
Name: 53911
External Source: EXPLOIT-DB
Name: 19092
External Source: SUSE
Name: SUSE-SU-2012:0984
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: CONFIRM
Name: http://kb.askmonty.org/en/mariadb-5162-release-notes/
External Source: MISC
Name: http://bugs.mysql.com/bug.php?id=64884
External Source: GENTOO
Name: GLSA-201308-06

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:oracle:mysql:5.5.21
* cpe:/a:oracle:mysql:5.5.20
* cpe:/a:oracle:mysql:5.5.19
* cpe:/a:oracle:mysql:5.5.18
* cpe:/a:oracle:mysql:5.5.17
* cpe:/a:oracle:mysql:5.5.16
* cpe:/a:oracle:mysql:5.5.15
* cpe:/a:oracle:mysql:5.5.14
* cpe:/a:oracle:mysql:5.5.13
* cpe:/a:oracle:mysql:5.5.12
* cpe:/a:oracle:mysql:5.5.11
* cpe:/a:oracle:mysql:5.5.10
+ Configuration 2
+ OR
* cpe:/a:mariadb:mariadb:5.1.61
* cpe:/a:mariadb:mariadb:5.1.60
* cpe:/a:mariadb:mariadb:5.1.55
* cpe:/a:mariadb:mariadb:5.1.53
* cpe:/a:mariadb:mariadb:5.1.51
* cpe:/a:mariadb:mariadb:5.1.50
* cpe:/a:mariadb:mariadb:5.1.49
* cpe:/a:mariadb:mariadb:5.1.47
* cpe:/a:mariadb:mariadb:5.1.44
* cpe:/a:mariadb:mariadb:5.1.42
* cpe:/a:mariadb:mariadb:5.1.41
+ Configuration 3
+ OR
* cpe:/a:mariadb:mariadb:5.5.22
* cpe:/a:mariadb:mariadb:5.5.21
* cpe:/a:mariadb:mariadb:5.5.20
+ Configuration 4
+ OR
* cpe:/a:oracle:mysql:5.1.60
* cpe:/a:oracle:mysql:5.1.61
* cpe:/a:oracle:mysql:5.1.58
* cpe:/a:oracle:mysql:5.1.59
* cpe:/a:oracle:mysql:5.1.56
* cpe:/a:oracle:mysql:5.1.57
* cpe:/a:oracle:mysql:5.1.54
* cpe:/a:oracle:mysql:5.1.55
* cpe:/a:oracle:mysql:5.1.52:sp1
* cpe:/a:oracle:mysql:5.1.53
* cpe:/a:oracle:mysql:5.1.51
* cpe:/a:oracle:mysql:5.1.52
+ Configuration 5
+ OR
* cpe:/a:oracle:mysql:5.6.2
* cpe:/a:oracle:mysql:5.6.3
* cpe:/a:oracle:mysql:5.6.4
* cpe:/a:oracle:mysql:5.6.5
+ Configuration 6
+ OR
* cpe:/a:mariadb:mariadb:5.2.0
* cpe:/a:mariadb:mariadb:5.2.1
* cpe:/a:mariadb:mariadb:5.2.2
* cpe:/a:mariadb:mariadb:5.2.3
* cpe:/a:mariadb:mariadb:5.2.4
* cpe:/a:mariadb:mariadb:5.2.5
* cpe:/a:mariadb:mariadb:5.2.6
* cpe:/a:mariadb:mariadb:5.2.7
* cpe:/a:mariadb:mariadb:5.2.8
* cpe:/a:mariadb:mariadb:5.2.9
* cpe:/a:mariadb:mariadb:5.2.10
* cpe:/a:mariadb:mariadb:5.2.11
+ Configuration 7
+ OR
* cpe:/a:mariadb:mariadb:5.3.0
* cpe:/a:mariadb:mariadb:5.3.1
* cpe:/a:mariadb:mariadb:5.3.2
* cpe:/a:mariadb:mariadb:5.3.3
* cpe:/a:mariadb:mariadb:5.3.4
* cpe:/a:mariadb:mariadb:5.3.5
* cpe:/a:mariadb:mariadb:5.3.6

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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