|Bugzilla:||882608: CVE-2012-5615 mysql: Remote Preauth User Enumeration flaw|
The MITRE CVE dictionary describes this issue as:
MySQL 5.5.19 and possibly other versions, 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.
This issue affects the version of mysql as shipped with Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
CVSS v2 metrics
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Red Hat security errata
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