Input validation error in MariaDB

1) Input validation error

EUVDB-ID: #VU33806

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-5440

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

Unspecified vulnerability in Oracle MySQL 5.5.49 and earlier, 5.6.30 and earlier, and 5.7.12 and earlier and MariaDB before 5.5.50, 10.0.x before 10.0.26, and 10.1.x before 10.1.15 allows remote administrators to affect availability via vectors related to Server: RBR.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MariaDB: 5.5.20 - 10.1.32

CPE2.3

• cpe:2.3:a:mariadb_foundation:mariadb:5.5.49:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:10.0.25:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:10.1.32:*:*:*:*:*:*:*

External links

http://lists.opensuse.org/opensuse-updates/2016-09/msg00042.html
http://rhn.redhat.com/errata/RHSA-2016-1480.html
http://rhn.redhat.com/errata/RHSA-2016-1601.html
http://rhn.redhat.com/errata/RHSA-2016-1602.html
http://rhn.redhat.com/errata/RHSA-2016-1603.html
http://rhn.redhat.com/errata/RHSA-2016-1604.html
http://rhn.redhat.com/errata/RHSA-2016-1637.html
http://www.debian.org/security/2016/dsa-3624
http://www.debian.org/security/2016/dsa-3632
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.securityfocus.com/bid/91787
http://www.securityfocus.com/bid/91953
http://www.securitytracker.com/id/1036362
http://www.ubuntu.com/usn/USN-3040-1
http://www-01.ibm.com/support/docview.wss?uid=isg3T1024168
http://mariadb.com/kb/en/mariadb/mariadb-10026-release-notes/
http://mariadb.com/kb/en/mariadb/mariadb-10115-release-notes/
http://mariadb.com/kb/en/mariadb/mariadb-5550-release-notes/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged 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.