CVE-2016-9849: Critical severity phpmyadmin vulnerability

Published Dec 11, 2016

Updated

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.

Affected Software

63 affected components

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

phpMyAdmin phpMyAdmin=4.0.8

phpMyAdmin phpMyAdmin=4.0.9

phpMyAdmin phpMyAdmin=4.0.10

phpMyAdmin phpMyAdmin=4.0.10.1

phpMyAdmin phpMyAdmin=4.0.10.2

phpMyAdmin phpMyAdmin=4.0.10.3

phpMyAdmin phpMyAdmin=4.0.10.4

phpMyAdmin phpMyAdmin=4.0.10.5

phpMyAdmin phpMyAdmin=4.0.10.6

phpMyAdmin phpMyAdmin=4.0.10.7

phpMyAdmin phpMyAdmin=4.0.10.8

phpMyAdmin phpMyAdmin=4.0.10.9

phpMyAdmin phpMyAdmin=4.0.10.10

phpMyAdmin phpMyAdmin=4.0.10.11

phpMyAdmin phpMyAdmin=4.0.10.12

phpMyAdmin phpMyAdmin=4.0.10.13

phpMyAdmin phpMyAdmin=4.0.10.14

phpMyAdmin phpMyAdmin=4.0.10.15

phpMyAdmin phpMyAdmin=4.0.10.16

phpMyAdmin phpMyAdmin=4.0.10.17

phpMyAdmin phpMyAdmin=4.6.0

phpMyAdmin phpMyAdmin=4.6.1

phpMyAdmin phpMyAdmin=4.6.2

phpMyAdmin phpMyAdmin=4.6.3

phpMyAdmin phpMyAdmin=4.6.4

phpMyAdmin phpMyAdmin=4.4.0

phpMyAdmin phpMyAdmin=4.4.1

phpMyAdmin phpMyAdmin=4.4.1.1

phpMyAdmin phpMyAdmin=4.4.2

phpMyAdmin phpMyAdmin=4.4.3

phpMyAdmin phpMyAdmin=4.4.4

phpMyAdmin phpMyAdmin=4.4.5

phpMyAdmin phpMyAdmin=4.4.6

phpMyAdmin phpMyAdmin=4.4.6.1

phpMyAdmin phpMyAdmin=4.4.7

phpMyAdmin phpMyAdmin=4.4.8

phpMyAdmin phpMyAdmin=4.4.9

phpMyAdmin phpMyAdmin=4.4.10

phpMyAdmin phpMyAdmin=4.4.11

phpMyAdmin phpMyAdmin=4.4.12

phpMyAdmin phpMyAdmin=4.4.13

phpMyAdmin phpMyAdmin=4.4.13.1

phpMyAdmin phpMyAdmin=4.4.14

phpMyAdmin phpMyAdmin=4.4.14.1

phpMyAdmin phpMyAdmin=4.4.15

phpMyAdmin phpMyAdmin=4.4.15.1

phpMyAdmin phpMyAdmin=4.4.15.2

phpMyAdmin phpMyAdmin=4.4.15.3

phpMyAdmin phpMyAdmin=4.4.15.4

phpMyAdmin phpMyAdmin=4.4.15.5

phpMyAdmin phpMyAdmin=4.4.15.6

phpMyAdmin phpMyAdmin=4.4.15.7

phpMyAdmin phpMyAdmin=4.4.15.8

Remediation

Patch Available

https://www.phpmyadmin.net/security/PMASA-2016-60

Event History

Dec 11, 2016

CVE Published

via MITRE·02:00 AM

Data Sourced

via MITRE·02:00 AM

Description

Frequently Asked Questions

What is the severity of CVE-2016-9849?

CVE-2016-9849 has a severity rating that indicates a significant risk due to potential root access bypass.

How do I fix CVE-2016-9849?

To fix CVE-2016-9849, upgrade phpMyAdmin to version 4.6.5 or later, or to 4.4.15.9 and 4.0.10.18 or later.

Which versions of phpMyAdmin are affected by CVE-2016-9849?

CVE-2016-9849 affects phpMyAdmin versions 4.6.x prior to 4.6.5, 4.4.x prior to 4.4.15.9, and 4.0.x prior to 4.0.10.18.

What is the main issue caused by CVE-2016-9849?

The main issue of CVE-2016-9849 is the ability to bypass AllowRoot restrictions using a Null Byte in the username.

Can CVE-2016-9849 be exploited by attackers?

Yes, attackers can exploit CVE-2016-9849 to gain unauthorized root access to the database.