Denial of service in Red Hat OpenShift Container Platform 4.14 for RHEL 9 and 8

1) Infinite loop

EUVDB-ID: #VU87326

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-24786

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop when parsing data in an invalid JSON format within the protojson.Unmarshal() function. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

toolbox (Red Hat package): before 0.1.0-2.rhaos4.14.el8

slirp4netns (Red Hat package): before 1.1.8-2.rhaos4.14.el8

libslirp (Red Hat package): before 4.4.0-4.rhaos4.14.el8

fuse-overlayfs (Red Hat package): before 1.10-2.rhaos4.14.el8

openshift (Red Hat package): before 4.14.0-202403180010.p0.g749fe1d.assembly.stream.el8

cri-o (Red Hat package): before 1.27.4-5.rhaos4.14.git8d40fed.el8

CPE2.3

• cpe:2.3:a:red_hat:toolbox_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:slirp4netns_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libslirp_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:fuse-overlayfs_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:openshift_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:cri-o_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2024:1461

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.