DescriptionphpMyAdmin before stores the MySQL (1) username and (2) password, and the (3) Blowfish secret key, in cleartext in a Session file under /tmp, which allows local users to obtain sensitive information.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
phpmyadmin (PTS)wheezy4:
wheezy (security)4:
jessie (security), jessie4:4.2.12-2+deb8u2fixed
stretch, sid4:4.6.4+dfsg1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

It is a workaround for the limited security that PHP has for
session files on a shared host. This limitation is documented with
PHP, warned against and not a specific vulnerability in phpMyAdmin.
I hence consider it a security enhancement/feature, not a vulnerability.

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