Improper access control in mariadb (Alpine package)

1) Improper access control

EUVDB-ID: #VU33432

Risk: Medium

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-2758

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.7.26 and prior and 8.0.16 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/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): 10.2.24-r0

CPE2.3

• cpe:2.3:o:alpine:mariadb_alpine_package:10.2.24-r0:*:*:*:*:alpine_linux:*:3.7

External links

https://git.alpinelinux.org/aports/commit/?id=84804ee3812816530a9bd6d1c0ddf2c9cdcb9400
https://git.alpinelinux.org/aports/commit/?id=b3a8fb46e85f1f1e863c9c7c1234977b7a74da88
https://git.alpinelinux.org/aports/commit/?id=32f6cf591a07c4ea792c5d67254bfe618008eb9f
https://git.alpinelinux.org/aports/commit/?id=e05c335d03ad12d25a514cd8c6bbe895690a71b5

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.