Improper input validation in MySQL Connectors

1) Improper input validation

EUVDB-ID: #VU57510

Risk: Medium

CVSSv4.0: 5.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-2471

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote privileged user to read data or crash the application.

The vulnerability exists due to improper input validation within the Connector/J component in MySQL Connectors. A remote privileged user can exploit this vulnerability to read data or crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MySQL Connectors: 8.0.7 - 8.0.26

CPE2.3

• cpe:2.3:h:oracle:mysql_connector:8.0.7:*:*:*:*:*:*:*
• cpe:2.3:h:oracle:mysql_connector:8.0.8:*:*:*:*:*:*:*
• cpe:2.3:h:oracle:mysql_connector:8.0.9:*:*:*:*:*:*:*

External links

https://www.oracle.com/security-alerts/cpuoct2021.html?3382

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.