Vulnerability CVE-2012-5612
Published: 2012-12-03

Description:
Heap-based buffer overflow in Oracle MySQL 5.5.19 and other versions through 5.5.28, and MariaDB 5.5.28a and possibly other versions, allows remote authenticated users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code, as demonstrated using certain variations of the (1) USE, (2) SHOW TABLES, (3) DESCRIBE, (4) SHOW FIELDS FROM, (5) SHOW COLUMNS FROM, (6) SHOW INDEX FROM, (7) CREATE TABLE, (8) DROP TABLE, (9) ALTER TABLE, (10) DELETE FROM, (11) UPDATE, and (12) SET PASSWORD commands.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
MySQL (Linux) Heap Based Overrun PoC Zeroday
Kingcope
02.12.2012

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Oracle -> Mysql 
Mariadb -> Mariadb 

 References:
https://mariadb.atlassian.net/browse/MDEV-3908
http://www.ubuntu.com/usn/USN-1703-1
http://www.oracle.com/technetwork/topics/security/cpujan2013-1515902.html
http://www.openwall.com/lists/oss-security/2012/12/02/4
http://www.openwall.com/lists/oss-security/2012/12/02/3
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.mandriva.com/security/advisories?name=MDVSA-2013:102
http://www.exploit-db.com/exploits/23076
http://security.gentoo.org/glsa/glsa-201308-06.xml
http://secunia.com/advisories/53372
http://seclists.org/fulldisclosure/2012/Dec/5
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:16960
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00000.html
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