Cryptographic Issues Affecting phpmyadmin package, versions <4:4.6.4+dfsg1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Dec 2016
- disclosed11 Dec 2016
Introduced: 11 Dec 2016
CVE-2016-6606 (opens in a new tab)How to fix?
Upgrade Debian:9 phpmyadmin to version 4:4.6.4+dfsg1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream phpmyadmin package and not the phpmyadmin package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
An issue was discovered in cookie encryption in phpMyAdmin. The decryption of the username/password is vulnerable to a padding oracle attack. This can allow an attacker who has access to a user's browser cookie file to decrypt the username and password. Furthermore, the same initialization vector (IV) is used to hash the username and password stored in the phpMyAdmin cookie. If a user has the same password as their username, an attacker who examines the browser cookie can see that they are the same - but the attacker can not directly decode these values from the cookie as it is still hashed. 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.
References
- https://security-tracker.debian.org/tracker/CVE-2016-6606
- https://security.gentoo.org/glsa/201701-32
- https://www.phpmyadmin.net/security/PMASA-2016-29
- https://lists.debian.org/debian-lts-announce/2019/06/msg00009.html
- http://www.securityfocus.com/bid/94114
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-6606