Denial of service in OpenShift Container Platform 4.7

1) Resource exhaustion

EUVDB-ID: #VU64008

Risk: Medium

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

CVE-ID: CVE-2022-1708

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the ExecSync request. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

cri-o (Red Hat package): 1.20.2-3.rhaos4.7.gitfecc319.el7 - 1.20.7-4.rhaos4.7.gitb9df556.el8

Red Hat OpenShift Container Platform: 4.7.0 - 4.7.52

ignition (Red Hat package): 2.9.0-3.rhaos4.7.git1d56dc8.el8 - 2.9.0-4.rhaos4.7.git1d56dc8.el8

cri-tools (Red Hat package): 1.20.0-2.el8

conmon (Red Hat package): before 2.0.29-3.rhaos4.7.el8

External links

http://access.redhat.com/errata/RHSA-2022:4965

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.