CVE-2016-6225

xbcrypt in Percona XtraBackup before 2.3.6 and 2.4.x before 2.4.5 does not properly set the initialization vector (IV) for encryption, which makes it easier for context-dependent attackers to obtain sensitive information from encrypted backup files via a Chosen-Plaintext attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-6394.

• CWE-326

• http://lists.opensuse.org/opensuse-updates/2017-01/msg00125.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-updates/2017-01/msg00126.htmlThird Party Advisory
• https://bugs.launchpad.net/percona-xtrabackup/+bug/1643949Issue Tracking, Patch, Third Party Advisory
• https://github.com/percona/percona-xtrabackup/pull/266Issue Tracking, Patch, Third Party Advisory
• https://github.com/percona/percona-xtrabackup/pull/267Issue Tracking, Patch, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BAHI6ETS22FJCMLW7A6SICFKQXF5G2VI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBVCP6KLFVGG6HSGLHLTMZRD6C4IJSZP/
• https://www.percona.com/blog/2017/01/12/cve-2016-6225-percona-xtrabackup-encryption-iv-not-set-properly/Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2017-01/msg00125.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-updates/2017-01/msg00126.htmlThird Party Advisory
• https://bugs.launchpad.net/percona-xtrabackup/+bug/1643949Issue Tracking, Patch, Third Party Advisory
• https://github.com/percona/percona-xtrabackup/pull/266Issue Tracking, Patch, Third Party Advisory
• https://github.com/percona/percona-xtrabackup/pull/267Issue Tracking, Patch, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BAHI6ETS22FJCMLW7A6SICFKQXF5G2VI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBVCP6KLFVGG6HSGLHLTMZRD6C4IJSZP/
• https://www.percona.com/blog/2017/01/12/cve-2016-6225-percona-xtrabackup-encryption-iv-not-set-properly/Vendor Advisory

Published

Mar 23, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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