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    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.

    Published:Mar 23, 2017
    Last Modified:Apr 20, 2025
    EPS:Mar 23, 2017
    EPSS Score:0.00502
    CVSS Score:5.9

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Percona
    Product
    Xtrabackup

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-326 Inadequate Encryption Strength

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-112 Brute Force
    CAPEC-192 Protocol Analysis
    CAPEC-20 Encryption Brute Forcing

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    References

    http://lists.opensuse.org/opensuse-updates/2017-01/msg00125.html
    http://lists.opensuse.org/opensuse-updates/2017-01/msg00126.html
    https://bugs.launchpad.net/percona-xtrabackup/+bug/1643949
    https://github.com/percona/percona-xtrabackup/pull/266
    https://github.com/percona/percona-xtrabackup/pull/267
    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/
    http://lists.opensuse.org/opensuse-updates/2017-01/msg00125.html
    http://lists.opensuse.org/opensuse-updates/2017-01/msg00126.html
    https://bugs.launchpad.net/percona-xtrabackup/+bug/1643949
    https://github.com/percona/percona-xtrabackup/pull/266
    https://github.com/percona/percona-xtrabackup/pull/267
    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/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High