OpenShift Container Platform 4.11 update for haproxy

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU79767

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-40225

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request with empty Content-Length headers to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.11.0 - 4.11.56

haproxy (Red Hat package): before 2.2.24-4.rhaos4.11.el8

containernetworking-plugins (Red Hat package): before 1.4.0-1.rhaos4.11.el8

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.11.56:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:haproxy_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:containernetworking-plugins_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2024:0308

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.