CVE-2016-6225

Name: CVE-2016-6225
Creator: NVD / NIST
Published: 2017-03-23T16:59:00.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.12%

Last modified Jun 17, 2026

CVE-2016-6225 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.12%

62.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions	Update
Percona	Xtrabackup	<= 2.3.5	—
Percona	Xtrabackup	2.4.0	Rc1
Percona	Xtrabackup	2.4.1	—
Percona	Xtrabackup	2.4.2	—
Percona	Xtrabackup	2.4.3	—
Percona	Xtrabackup	2.4.4	—
Opensuse	Leap	42.1	—
Opensuse	Leap	42.2	—
Fedoraproject	Fedora	24	—
Fedoraproject	Fedora	25	—

References

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

Timeline

Published: Mar 23, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-6225?

How severe is CVE-2016-6225?

Severity scoring for CVE-2016-6225 is pending analysis. The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2016-6225?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-6225?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST