VIR Vulnerability Intelligence Relay

CVE-2016-6606

high
Published 2016-12-11 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
8.1
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
8.1

Description

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.

Predictions

Exploit likelihood
88%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
debian debianbookwormfixed4:4.6.4+dfsg1-1
debian debianbullseyefixed4:4.6.4+dfsg1-1
debian debiansidfixed4:4.6.4+dfsg1-1
debian debiantrixiefixed4:4.6.4+dfsg1-1

Application impact
VendorProductVersionsFixed
phpmyadminphpmyadmin4.4.0
phpmyadminphpmyadmin4.4.1
phpmyadminphpmyadmin4.4.1.1
phpmyadminphpmyadmin4.4.2
phpmyadminphpmyadmin4.4.3
phpmyadminphpmyadmin4.4.4
phpmyadminphpmyadmin4.4.5
phpmyadminphpmyadmin4.4.6
phpmyadminphpmyadmin4.4.6.1
phpmyadminphpmyadmin4.4.7
phpmyadminphpmyadmin4.4.8
phpmyadminphpmyadmin4.4.9
phpmyadminphpmyadmin4.4.10
phpmyadminphpmyadmin4.4.11
phpmyadminphpmyadmin4.4.12
phpmyadminphpmyadmin4.4.13
phpmyadminphpmyadmin4.4.13.1
phpmyadminphpmyadmin4.4.14
phpmyadminphpmyadmin4.4.14.1
phpmyadminphpmyadmin4.4.15
phpmyadminphpmyadmin4.4.15.1
phpmyadminphpmyadmin4.4.15.2
phpmyadminphpmyadmin4.4.15.3
phpmyadminphpmyadmin4.4.15.4
phpmyadminphpmyadmin4.4.15.5
phpmyadminphpmyadmin4.4.15.6
phpmyadminphpmyadmin4.4.15.7
phpmyadminphpmyadmin4.0.0
phpmyadminphpmyadmin4.0.1
phpmyadminphpmyadmin4.0.2
phpmyadminphpmyadmin4.0.3
phpmyadminphpmyadmin4.0.4
phpmyadminphpmyadmin4.0.4.1
phpmyadminphpmyadmin4.0.4.2
phpmyadminphpmyadmin4.0.5
phpmyadminphpmyadmin4.0.6
phpmyadminphpmyadmin4.0.7
phpmyadminphpmyadmin4.0.8
phpmyadminphpmyadmin4.0.9
phpmyadminphpmyadmin4.0.10
phpmyadminphpmyadmin4.0.10.1
phpmyadminphpmyadmin4.0.10.2
phpmyadminphpmyadmin4.0.10.3
phpmyadminphpmyadmin4.0.10.4
phpmyadminphpmyadmin4.0.10.5
phpmyadminphpmyadmin4.0.10.6
phpmyadminphpmyadmin4.0.10.7
phpmyadminphpmyadmin4.0.10.8
phpmyadminphpmyadmin4.0.10.9
phpmyadminphpmyadmin4.0.10.10
phpmyadminphpmyadmin4.0.10.11
phpmyadminphpmyadmin4.0.10.12
phpmyadminphpmyadmin4.0.10.13
phpmyadminphpmyadmin4.0.10.14
phpmyadminphpmyadmin4.0.10.15
phpmyadminphpmyadmin4.0.10.16
phpmyadminphpmyadmin4.6.0
phpmyadminphpmyadmin4.6.1
phpmyadminphpmyadmin4.6.2
phpmyadminphpmyadmin4.6.3

References

CWEs

CWE-200 CWE-310

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.