Input validation error in mariadb (Alpine package)

1) Input validation error

EUVDB-ID: #VU33742

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3081

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to damange or delete data.

Vulnerability in the MySQL Client component of Oracle MySQL (subcomponent: Client programs). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior, 5.7.22 and prior and 8.0.11 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client as well as unauthorized update, insert or delete access to some of MySQL Client accessible data. CVSS 3.0 Base Score 5.0 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H).

Mitigation

Install update from vendor's website.

Vulnerable software versions

mariadb (Alpine package): 5.5.47-r0 - 10.1.32-r0

External links

http://git.alpinelinux.org/aports/commit/?id=ec4a02c42dea8323d84536c79a6af0fc421ed261
http://git.alpinelinux.org/aports/commit/?id=ad3cd4ee72556149a46fca74da139cc7424bc58a

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.