Red Hat Data Grid 8.4 update for okhttp

Published: 2023-05-10

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2021-0341
CWE-ID	CWE-295
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	JBoss Data Grid Client/Desktop applications / Other client software
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Certificate Validation

EUVDB-ID: #VU72323

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

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

External links

http://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.