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.

- Updated to 2.3.6

  - Fixes CVE-2016-6225

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for xtrabackup fixes the following issues :

  - CVE-2016-6225: xbcrypt encryption IV not being set     properly (boo#1019858)

In addition, XtraBackup was updated to 2.3.6 to include the following improvements :

  - now supports SHA256 passwords

  - new supports command options for secure connections

The following bugs were fixed :

  - intermittent assertion failures when not correctly     identifying server version

  - Safe slave backup algorithm performed too short delays     between retries which could cause backups to fail on a     busy servers

  - fix compilation warnings with gcc6

  - Backup would still succeed even if xtrabackup would fail     to write the metadata

  - xbcloud now supports EMC ECS Swift API Authorization     requests

  - backup failed with MariaDB 10.2 with the unsupported     server version error message

This update for xtrabackup fixes the following issues :

  - CVE-2016-6225: xbcrypt encryption IV not being set     properly (boo#1019858)

ID	Name	Product	Family	Severity
96935	Fedora 25 : percona-xtrabackup (2017-6382ea8d57)	Nessus	Fedora Local Security Checks	medium
96934	Fedora 24 : percona-xtrabackup (2017-5a823376be)	Nessus	Fedora Local Security Checks	medium
96713	openSUSE Security Update : xtrabackup (openSUSE-2017-132)	Nessus	SuSE Local Security Checks	medium
96712	openSUSE Security Update : xtrabackup (openSUSE-2017-131)	Nessus	SuSE Local Security Checks	medium

Detections

Analytics

CVE-2016-6225

medium

Tenable Plugins

medium

medium

medium

medium