OpenShift Container Platform 4.13 update for flask

1) Information disclosure

EUVDB-ID: #VU75664

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-30861

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to missing Vary: Cookie header. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.13.0 - 4.13.2

openshift-clients (Red Hat package): before 4.13.0-202305312300.p0.g05d83ef.assembly.stream.el9

openshift-ansible (Red Hat package): before 4.13.0-202305301841.p0.g148be47.assembly.stream.el9

openshift (Red Hat package): before 4.13.0-202305312300.p0.g7a891f0.assembly.stream.el9

cri-o (Red Hat package): before 1.26.3-9.rhaos4.13.git9232b13.el9

conmon (Red Hat package): before 2.1.7-1.1.rhaos4.13.el9

NetworkManager (Red Hat package): before 1.42.2-2.el9_2

External links

http://access.redhat.com/errata/RHSA-2023:3536

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.