Multiple vulnerabilities in MySQL Enterprise Monitor

Published: 2021-07-20

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-3450 CVE-2021-25122
CWE-ID	CWE-254 CWE-399
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	MySQL Enterprise Monitor Server applications / Database software
Vendor	Oracle

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Security features bypass

EUVDB-ID: #VU51732

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3450

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in implementation of the X509_V_FLAG_X509_STRICT flag allows an attacker to overwrite a valid CA certificate using any non-CA certificate in the chain. As a result, a remote attacker can perform MitM attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MySQL Enterprise Monitor: 8.0.0 - 8.0.23

External links

http://www.oracle.com/security-alerts/cpujul2021.html?61473

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Resource management error

EUVDB-ID: #VU51014