Information disclosure in MariaDB and mysql - CVE-2012-5615
Published: December 3, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43280
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-5615
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
Oracle MySQL 5.5.38 and earlier, 5.6.19 and earlier, and MariaDB 5.5.28a, 5.3.11, 5.2.13, 5.1.66, and possibly other versions, generates different error messages with different time delays depending on whether a user name exists, which allows remote attackers to enumerate valid usernames.
Affected software
MariaDB
mysql
mysql
How to mitigate CVE-2012-5615
Install update from vendor's website.
Links to Public Exploits and PoC-codes
External References
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00016.html
- http://seclists.org/fulldisclosure/2012/Dec/9
- http://secunia.com/advisories/53372
- http://security.gentoo.org/glsa/glsa-201308-06.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:102
- http://www.openwall.com/lists/oss-security/2012/12/02/3
- http://www.openwall.com/lists/oss-security/2012/12/02/4
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html
- https://mariadb.atlassian.net/browse/MDEV-3909