#VU33739 Input validation error in MariaDB


Published: 2018-07-18 | Updated: 2020-08-04

Vulnerability identifier: #VU33739

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-2018-3063

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: Security: Privileges). Supported versions that are affected are 5.5.60 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/cpujul2018-4258247.html
http://www.securityfocus.com/bid/104786
http://www.securitytracker.com/id/1041294
http://access.redhat.com/errata/RHSA-2019:1258
http://access.redhat.com/errata/RHSA-2019:2327
http://lists.debian.org/debian-lts-announce/2018/08/msg00036.html
http://lists.debian.org/debian-lts-announce/2018/11/msg00004.html
http://security.netapp.com/advisory/ntap-20180726-0002/
http://usn.ubuntu.com/3725-1/
http://usn.ubuntu.com/3725-2/
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