CVE-2016-9847
MEDIUM5.3EPSS 0.43%phpMyAdmin Cryptographic Vulnerability
Published: 5/17/2022Modified: 5/7/2026
Description
An issue was discovered in phpMyAdmin. When the user does not specify a blowfish_secret key for encrypting cookies, phpMyAdmin generates one at runtime. A vulnerability was reported where the way this value is created uses a weak algorithm. This could allow an attacker to determine the user's blowfish_secret and potentially decrypt their cookies. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.
Affected packages (3)
- Alpine/phpmyadminfrom 0, < 4.4.15.9-r0
- Debian/phpmyadminfrom 0, < 4:4.6.5.1-1
- Packagist/phpmyadmin/phpmyadmin>= 4.6, < 4.6.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2016-9847
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2016-9847
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2016-9847
- WEBhttps://security.gentoo.org/glsa/201701-32
- WEBhttps://web.archive.org/web/20210123194700/http://www.securityfocus.com/bid/94524
- WEBhttps://www.phpmyadmin.net/security/PMASA-2016-58