Author - David Busby

Deprecation of TLSv1.0 2019-02-28

end of Percona support for TLS1.0

Ahead of the PCI move to deprecate the use of ‘early TLS’, we’ve previously taken steps to disable TLSv1.0.
Unfortunately at that time we encountered some issues which led us to rollback these changes. This was to allow users of operating systems that did not – yet – support TLSv1.1 or higher to download Percona packages over […]

Read more

Percona Responds to MySQL LOCAL INFILE Security Issues

LOCAL INFILE Security

In this post, we’ll cover Percona’s thoughts about the current MySQL community discussion happening around MySQL LOCAL INFILE security issues.
Some of the detail within this blog post is marked <REDACTED>. I hope to address this shortly (by the end of Feb 2019) and provide complete detail and exploit proof-of-concept code. However, this post is […]

Read more

Another Day, Another Data Leak

another day another data leak Exactis

In the last few days, there has been information released about yet another alleged data leak, placing in jeopardy “…[the] personal information on hundreds of millions of American adults, as well as millions of businesses.” In this case, the “victim” was Exactis, for whom data collection and data security are core business functions.
Some takeaways […]

Read more

MySQL Ransomware: Open Source Database Security Part 3

MySQL Ransomware

This blog post examines the recent MySQL® ransomware attacks, and what open source database security best practices could have prevented them.
Unless you’ve been living under a rock, you know that there has been an uptick in ransomware for MongoDB and Elasticsearch deployments. Recently, we’re seeing the same for MySQL.
Let’s look and see if this is MySQL’s fault.
Other […]

Read more

Docker Security Vulnerability CVE-2016-9962

CVE-2018-19039

Docker 1.12.6 was released to address CVE-2016-9962. CVE-2016-9962 is a serious vulnerability with RunC.
Quoting the coreos page (linked above):
“RunC allowed additional container processes via runc exec to be ptraced by the pid 1 of the container. This allows the main processes of the container, if running as root, to gain access to file-descriptors of these new processes […]

Read more

CVE-2016-6225: Percona Xtrabackup Encryption IV Not Being Set Properly

Pepper.com

If you are using Percona XtraBackup with
xbcrypt to create encrypted backups, and are using versions older than 2.3.6 or 2.4.5, we advise that you upgrade Percona XtraBackup.
Note: this does not affect encryption of encrypted InnoDB tables.
CVE-2016-6225
Percona XtraBackup versions older than 2.3.6 or 2.4.5 suffered an issue of not properly setting the Initialization Vector (IV) for encryption. This could […]

Read more

Percona responds to CVE-2016-6663 and CVE-2016-6664

CVE-2016-9962

Percona has addressed CVE-2016-6663 and CVE-2016-6664 in releases of Percona Server for MySQL and Percona XtraDB Cluster.
Percona is happy to announce that the following vulnerabilities are fixed in current releases of Percona Server for MySQL and Percona XtraDB Cluster:

CVE-2016-6663: allows a local system user with access to the affected database in the context of a […]

Read more

Percona Server Critical Update CVE-2016-6662

CVE-2018-19039

This blog is an announcement for a Percona Server update with regards to CVE-2016-6662.
We have added a fix for CVE-2016-6662 in the following releases:

Percona Server 5.5.51-38.1
Percona Server 5.5.51-38.2
Percona Server 5.6.32-78.0
Percona Server 5.6.32-78.1
Percona Server 5.7.14-7
Percona Server 5.7.14-8
Percona XtraDB Cluster 5.5.41-25.12
Percona XtraDB Cluster 5.6.30-25.16.2
Percona XtraDB Cluster 5.6.30-25.16.3

From seclist.org:
An independent research has revealed multiple severe MySQL vulnerabilities. This […]

Read more

EL5 and why we’ve had to enable TLSv1.0 again

TLSv1.0

We have had to revert back to TLSv1.0.
If you saw my previous post on TLSv1.0 (https://www.percona.com/blog/2016/05/23/percona-disabling-tlsv1-0-may-31st-2016/), you’ll know I  wanted to deprecate TLSv1.0 well ahead of PCI’s changes. We made the changes May 31st.
Unfortunately, it has become apparent that EL 5, which is in the final phases of End Of Life, does not support TLSv1.1 or […]

Read more

Percona disabling TLSv1.0 May 31st 2016

As of May 31st, 2016, we will be disabling TLSv1.0 support on www.percona.com, repo.percona.com, etc.
This is ahead of the PCI changes that will affect the June 30th 2016 deprecation the TLSv1.0 protocol. (PDF)
What does this mean for you the user?
Based on analysis of our IDS logs, this will affect around 6.32% of requests. As of […]

Read more