Vulnerability identifier: #VU33619

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6622

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
phpMyAdmin
Web applications / Remote management & hosting panels

Vendor: phpMyAdmin

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

An issue was discovered in phpMyAdmin. An unauthenticated user is able to execute a denial-of-service (DoS) attack by forcing persistent connections when phpMyAdmin is running with $cfg['AllowArbitraryServer']=true. 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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

phpMyAdmin: 4.0.0 - 4.0.10.16, 4.4.0 - 4.4.15.7, 4.6.0 - 4.6.3

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External links
http://www.securityfocus.com/bid/95049
http://lists.debian.org/debian-lts-announce/2018/07/msg00006.html
http://security.gentoo.org/glsa/201701-32
http://www.phpmyadmin.net/security/PMASA-2016-45

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.