Input validation error in MariaDB

1) Input validation error

EUVDB-ID: #VU33765

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-15365

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

sql/event_data_objects.cc in MariaDB before 10.1.30 and 10.2.x before 10.2.10 and Percona XtraDB Cluster before 5.6.37-26.21-3 and 5.7.x before 5.7.19-29.22-3 allows remote authenticated users with SQL access to bypass intended access restrictions and replicate data definition language (DDL) statements to cluster nodes by leveraging incorrect ordering of DDL replication and ACL checking.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MariaDB: 10.1.0 - 10.2.9

CPE2.3

• cpe:2.3:a:mariadb_foundation:mariadb:10.1.29:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:10.2.9:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2019:1258
https://bugzilla.redhat.com/show_bug.cgi?id=1524234
https://github.com/MariaDB/server/commit/0b5a5258abbeaf8a0c3a18c7e753699787fdf46e
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ELCZV46WIYSJ6VMC65GMNN3A3QDRUJGK/
https://mariadb.com/kb/en/library/mariadb-10130-release-notes/
https://mariadb.com/kb/en/library/mariadb-10210-release-notes/
https://www.debian.org/security/2018/dsa-4341
https://www.percona.com/blog/2017/10/30/percona-xtradb-cluster-5-6-37-26-21-3-is-now-available/
https://www.percona.com/doc/percona-xtradb-cluster/LATEST/release-notes/Percona-XtraDB-Cluster-5.7.19-29.22-3.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.