CVE-2016-9849

An issue was discovered in phpMyAdmin

published December 11, 2016

CVSS
—
EPSS
3%
Percentile
85.6
In the wild
Unconfirmed
What it is

⚠️ A crafty Null Byte lets you slip right past phpMyAdmin's AllowRoot restriction! This sneaky trick can put unauthorized access within arm's reach. 🔥 Think of it like a hotel that has strict rules about who can enter certain rooms, but one clever guest finds a way to bypass the security system using a fake ID that looks legitimate—it's both alarming and utterly avoidable! An attacker exploiting this vulnerability could potentially gain root access to the phpMyAdmin interface, bypassing restrictions meant to keep unauthorized users out. This means they could manipulate databases and access sensitive information—definitely a scenario to avoid!

Put simply

Think of it like a hotel that has strict rules about who can enter certain rooms, but one clever guest finds a way to bypass the security system using a fake ID that looks legitimate—it's both alarming and utterly avoidable! This issue arises from the use of Null Bytes in usernames, allowing attackers to bypass the AllowRoot setting in phpMyAdmin. Affected versions include all 4.6.x releases prior to 4.6.5, 4.4.x before 4.4.15.9, and 4.0.x prior to 4.0.10.18.

What to do

An attacker exploiting this vulnerability could potentially gain root access to the phpMyAdmin interface, bypassing restrictions meant to keep unauthorized users out. This means they could manipulate databases and access sensitive information—definitely a scenario to avoid! To protect your system, immediately update phpMyAdmin to version 4.6.5 or later for the 4.6.x series, 4.4.15.9 or later for the 4.4.x series, and 4.0.10.18 or later for the 4.0.x series. Additionally, review your configurations and restrict username input to prevent Null Byte injections. You've got this! Just follow these steps and your phpMyAdmin will be more secure than ever. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02672 · 85.6th percentile
Published
2016-12-11T02:00Z
EPSS history
Timeline
  • 11 DEC 02:00Z
    An issue was discovered in phpMyAdmin
    cvelistv5