Ubuntu update for mysql-5.7

Published: 2023-05-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-21912 CVE-2023-21980
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system mysql-server-5.7 (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU75270

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-21912

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04

mysql-server-5.7 (Ubuntu package): before Ubuntu Pro (Infra-only)

CPE2.3

External links

https://ubuntu.com/security/notices/USN-6060-2

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Improper input validation

EUVDB-ID: #VU75271