Deserialization of Untrusted Data in phpMyAdmin - CVE-2016-6620
Published: December 11, 2016 / Updated: August 4, 2020
Vulnerability identifier: #VU33618
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-6620
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
An issue was discovered in phpMyAdmin. Some data is passed to the PHP unserialize() function without verification that it's valid serialized data. The unserialization can result in code execution because of the interaction with object instantiation and autoloading. All 4.6.x versions (prior to 4.6.4), 4.4.x versions (prior to 4.4.15.8), and 4.0.x versions (prior to 4.0.10.17) are affected.
Affected software
phpMyAdmin
phpmyadmin (Alpine package)
Opensuse
phpmyadmin (Alpine package)
Opensuse
How to mitigate CVE-2016-6620
Install update from vendor's website.
phpmyadmin (Alpine package) - update to 4.4.15.8-r0