|Bugzilla:||883719: CVE-2012-5627 mysql: efficient password guessing attack using change_user()|
The MITRE CVE dictionary describes this issue as:
Oracle MySQL and MariaDB 5.5.x before 5.5.29, 5.3.x before 5.3.12, and 5.2.x before 5.2.14 does not modify the salt during multiple executions of the change_user command within the same connection which makes it easier for remote authenticated users to conduct brute force password guessing attacks.
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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