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CVE-2012-2122

Status Candidate

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.

Related Files

Mandriva Linux Security Advisory 2013-008
Posted Feb 6, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-008 - 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. MySQL 5.1.x before 5.1.63 and 5.5.x before 5.5.24 allows remote authenticated users to cause a denial of service via vectors related to incorrect calculation and a sort order index. Stack-based buffer overflow in Oracle MySQL 5.5.19 and other versions through 5.5.28, and 5.1.53 and other versions through 5.1.66, and MariaDB 5.5.2.x before 5.5.28a, 5.3.x before 5.3.11, 5.2.x before 5.2.13 and 5.1.x before 5.1.66, allows remote authenticated users to execute arbitrary code via a long argument to the GRANT FILE command. The updated packages have been patched to correct these issues.

tags | advisory, remote, denial of service, overflow, arbitrary
systems | linux, mandriva
advisories | CVE-2012-2122, CVE-2012-2749, CVE-2012-5611
SHA-256 | b49df6bc4397ad8618cab19cb79f3703b128fb5b64bd72878f5ca80369c7124b
Debian Security Advisory 2496-1
Posted Jun 19, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2496-1 - Several issues have been discovered in the MySQL database server. The vulnerabilities are addressed by upgrading MySQL to a new upstream version, 5.1.63, which includes additional changes, such as performance improvements and corrections for data loss defects.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2012-0583, CVE-2012-1688, CVE-2012-1690, CVE-2012-1703, CVE-2012-2122
SHA-256 | eeffa758dc44f2f16c05876571d07e28555ef3fe9f2e29262843debe172cee70
MySQL Remote Root Authentication Bypass
Posted Jun 12, 2012
Authored by Sergei A. Golubchik, David Kennedy

MySQL remote root authentication bypass exploit.

tags | exploit, remote, root
systems | linux, debian
advisories | CVE-2012-2122
SHA-256 | fa8a07437a078edcac9f7f432c70a04cd4fc7c1f42f36d254d4fa9efe0c46b18
Ubuntu Security Notice USN-1467-1
Posted Jun 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1467-1 - It was discovered that certain builds of MySQL incorrectly handled password authentication on certain platforms. A remote attacker could use this issue to authenticate with an arbitrary password and establish a connection. MySQL has been updated to 5.5.24 in Ubuntu 12.04 LTS. Ubuntu 10.04 LTS, Ubuntu 11.04 and Ubuntu 11.10 have been updated to MySQL 5.1.63. A patch to fix the issue was backported to the version of MySQL in Ubuntu 8.04 LTS. Various other issues were also addressed.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-2122
SHA-256 | 52928dd0c621971574807252ccbdfb1af768836701965a6ed9bfbf0a6c13a411
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