libraries/plugins/auth/AuthenticationCookie.class.php in phpMyAdmin 4.3.x before 4.3.13.2 and 4.4.x before 4.4.14.1 allows remote attackers to bypass a multiple-reCaptcha protection mechanism against brute-force credential guessing by providing a correct response to a single reCaptcha.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-6830
• phpmyadmin/phpmyadmin@785f4e2
• https://www.phpmyadmin.net/security/PMASA-2015-4/
• http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166294.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166307.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166531.html
• http://www.debian.org/security/2015/dsa-3382
• phpmyadmin/phpmyadmin@0314e67
• https://web.archive.org/web/20200228052837/http://www.securityfocus.com/bid/76674
• https://web.archive.org/web/20211215060142/http://www.securitytracker.com/id/1033546