CVE-2016-9849
CRITICALphpMyAdmin < 4.6.5, < 4.4.15.9, < 4.0.10.18 - Authentication Bypass via Null Byte in Username
Title source: llmDescription
An issue was discovered in phpMyAdmin. It is possible to bypass AllowRoot restriction ($cfg['Servers'][$i]['AllowRoot']) and deny rules for username by using Null Byte in the username. 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.
References (4)
Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/94521
Patch, Vendor Advisory x_refsource_confirm
https://www.phpmyadmin.net/security/PMASA-2016-60
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201701-32
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/06/msg00009.html
Scores
CVSS v3
9.8
EPSS
0.0022
EPSS Percentile
44.1%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-264
Status
published
Products (50)
phpmyadmin/phpmyadmin
4.0.0
phpmyadmin/phpmyadmin
4.0.1
phpmyadmin/phpmyadmin
4.0.2
phpmyadmin/phpmyadmin
4.0.3
phpmyadmin/phpmyadmin
4.0.4
phpmyadmin/phpmyadmin
4.0.4.1
phpmyadmin/phpmyadmin
4.0.4.2
phpmyadmin/phpmyadmin
4.0.5
phpmyadmin/phpmyadmin
4.0.6
phpmyadmin/phpmyadmin
4.0.7
... and 40 more
Published
Dec 11, 2016
Tracked Since
Feb 18, 2026