PMASA-2016-60
Announcement-ID: PMASA-2016-60
Date: 2016-11-25
Updated: 2016-12-06
Summary
Username deny rules bypass (AllowRoot & Others) by using Null Byte
Description
It is possible to bypass AllowRoot restriction ($cfg['Servers'][$i]['AllowRoot']) and deny rules for username by using Null Byte in the username.
Severity
We consider this vulnerability to be severe.
Affected Versions
All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.
Solution
Upgrade to phpMyAdmin 4.6.5, 4.4.15.9, 4.0.10.18, or newer or apply patch listed below.
References
Thanks to Emanuel Bronshtein @e3amn2l for reporting this vulnerability.
Assigned CVE IDs: CVE-2016-9849
CWE IDs: CWE-661
Patches
The following commits have been made on the 4.0 branch to fix this issue:
The following commits have been made on the 4.4 branch to fix this issue:
The following commits have been made on the 4.6 branch to fix this issue:
More information
For further information and in case of questions, please contact the phpMyAdmin security team at security@phpmyadmin.net.