Security restrictions bypass in mariadb (Alpine package)

1) Security restrictions bypass

EUVDB-ID: #VU12009

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-2755

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local unauthenticated attacker to gain elevated privileges on the target system.

The weakness exists in the MySQL Server component of Oracle MySQL due to improper security restrictions. A local attacker can execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

mariadb (Alpine package): 10.1.32-r0

External links

http://git.alpinelinux.org/aports/commit/?id=ad3cd4ee72556149a46fca74da139cc7424bc58a
http://git.alpinelinux.org/aports/commit/?id=ec4a02c42dea8323d84536c79a6af0fc421ed261
http://git.alpinelinux.org/aports/commit/?id=28850b3a43930dcaba7ce82fa55bb53853cf412d

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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