Denial of service in OpenShift Container Platform 4.1

Published: 2019-09-24 | Updated: 2022-05-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-9512 CVE-2019-9514
CWE-ID	CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openshift-ansible (Red Hat package) Operating systems & Components / Operating system package or component atomic-enterprise-service-catalog (Red Hat package) Operating systems & Components / Operating system package or component openshift (Red Hat package) Operating systems & Components / Operating system package or component ansible-service-broker (Red Hat package) Operating systems & Components / Operating system package or component podman (Red Hat package) Operating systems & Components / Operating system package or component skopeo (Red Hat package) Operating systems & Components / Operating system package or component Red Hat OpenShift Container Platform Client/Desktop applications / Software for system administration
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU20200

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-2019-9512

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 improper validation of user-supplied input when processing HTTP/2 requests. A remote attacker can send specially crafted HTTP packets to the affected system trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

openshift-ansible (Red Hat package): 3.4.168-1.git.0.bb73aad.el7 - 4.1.16-201909090609.git.162.a0800db.el7

atomic-enterprise-service-catalog (Red Hat package): 4.1.14-201908290858.git.1.28cc9ff.el7 - 4.1.16-201909090609.git.1.cc4acc1.el7

openshift (Red Hat package): 4.1.10-201908060758.git.0.d81afa6.el7 - 4.1.16-201909090609.git.0.2f97059.el8

ansible-service-broker (Red Hat package): 1.4.4-1.el7

Red Hat OpenShift Container Platform: 4.1.11 - 4.1.17

podman (Red Hat package): before 1.0.2-2.dev.git96ccc2e.el8

skopeo (Red Hat package): before 0.1.32-5.git1715c90.el8

External links

http://access.redhat.com/errata/RHBA-2019:2819

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.

2) Resource exhaustion

EUVDB-ID: #VU20201