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Percona Security Advisory CVE-2015-1027

 | May 6, 2015 |  Posted In: MySQL, Security

Contents Summary Analysis Mitigating factors P.O.C Acknowledgments Summary During a code audit performed internally at Percona, we discovered a viable information disclosure attack when coupled with a MITM attack in which percona-toolkit and xtrabackup perl components could be coerced into returning additional MySQL configuration information. The vulnerability has since been closed. Timeline 2014-12-16 Initial research, […]

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Percona XtraBackup 2.1.2 for MySQL available for download

 | May 18, 2013 |  Posted In: MySQL, Percona Software, Percona XtraBackup

Percona is glad to announce the release of Percona XtraBackup 2.1.2 for MySQL on May 18, 2013. Downloads are available from our download site here and Percona Software Repositories. This release fixes number of high-priority bugs since version 2.1 became GA. It’s advised to upgrade your latest 2.1 version to 2.1.2. This release is the […]

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CentOS 5.8 users: your UTF-8 data is in peril with Perl MySQL

 | February 22, 2013 |  Posted In: Insight for Developers, Percona Toolkit

CentOS 5.8 and earlier use Perl module DBD::mysql v3.0007 which has a bug that causes Perl not to flag UTF-8 data as being UTF-8.  Presuming that the MySQL table/column is using UTF-8, and the Perl MySQL connection is also using UTF-8, then a correct system returns: PV = 0x9573840 "\343\203\213 \303\250"\0 [UTF8 "\x{30cb} \x{e8}"] That’s a Devel::Peek inside a Perl scalar variable which […]

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