Red Hat Data Grid 8.4 update for okhttp

1) Improper Certificate Validation

EUVDB-ID: #VU72323

Risk: Medium

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

CVE-ID: CVE-2021-0341

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

the vulnerability exists due to improper certificate validation within the verifyHostName in OkHostnameVerifier.java in okhttp library in Android runtime. A remote attacker can force the system to accept a certificate for the wrong domain due to improperly used crypto and perform MitM attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss Data Grid: 8.4.0 - 8.4.1

CPE2.3

• cpe:2.3:a:red_hat:jboss_data_grid:8.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:jboss_data_grid:8.4.1:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2023:2723

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.