Red Hat Enterprise Linux 7 update for .NET Core 3.1

1) Spoofing attack

EUVDB-ID: #VU66307

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-34716

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in the .NET. A remote attacker can spoof page content.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

rh-dotnet31-dotnet (Red Hat package): 3.1.111-1.el7_9 - 3.1.420-1.el7_9

CPE2.3

• cpe:2.3:o:red_hat:rh-dotnet31-dotnet_redhat_package:3.1.111-1.el7_9:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:rh-dotnet31-dotnet_redhat_package:3.1.112-1.el7_9:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:rh-dotnet31-dotnet_redhat_package:3.1.113-1.el7_9:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2022:6037

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.