#VU33736 Input validation error in MariaDB


Published: 2018-10-17 | Updated: 2020-08-04

Vulnerability identifier: #VU33736

Vulnerability 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-2018-3282

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MariaDB
Server applications / Database software

Vendor: MariaDB Foundation

Description

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

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Storage Engines). Supported versions that are affected are 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Mitigation
Install update from vendor's website.

Vulnerable software versions

MariaDB: 5.5.20 - 5.5.60


External links
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/105610
http://www.securitytracker.com/id/1041888
http://access.redhat.com/errata/RHSA-2018:3655
http://access.redhat.com/errata/RHSA-2019:1258
http://access.redhat.com/errata/RHSA-2019:2327
http://lists.debian.org/debian-lts-announce/2018/11/msg00004.html
http://lists.debian.org/debian-lts-announce/2018/11/msg00007.html
http://security.gentoo.org/glsa/201908-24
http://security.netapp.com/advisory/ntap-20181018-0002/
http://usn.ubuntu.com/3799-1/
http://usn.ubuntu.com/3799-2/
http://www.debian.org/security/2018/dsa-4341


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability