Multiple vulnerabilities in Red Hat OpenShift Container Platform

Published: 2020-12-04

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-15586 CVE-2020-16845
CWE-ID	CWE-362 CWE-835
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Red Hat OpenShift Container Platform Client/Desktop applications / Software for system administration openshift (Red Hat package) Operating systems & Components / Operating system package or component openshift-ansible (Red Hat package) Operating systems & Components / Operating system package or component atomic-openshift-service-idler (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-clients (Red Hat package) Operating systems & Components / Operating system package or component faq (Red Hat package) Operating systems & Components / Operating system package or component
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Race condition

EUVDB-ID: #VU31891

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15586

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler. A remote attacker can exploit the race and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.4.0 - 4.4.30

openshift (Red Hat package): 4.4.0-202006061254.git.1.dc84fb4.el7 - 4.4.0-202007090832.p0.git.0.bc32fb1.el8

openshift-ansible (Red Hat package): 4.4.0-202006061254.git.1.a996454.el7

atomic-openshift-service-idler (Red Hat package): 4.4.0-202006080017.git.1.7e463c3.el7

atomic-enterprise-service-catalog (Red Hat package): 4.4.0-202006080017.git.1.77a5cc9.el7

openshift-clients (Red Hat package): 4.4.0-202006061254.git.1.26cb6dc.el7 - 4.4.0-202006061254.git.1.26cb6dc.el8

faq (Red Hat package): 0.0.6-1.el7 - 0.0.6-4.el7

CPE2.3

External links

https://access.redhat.com/errata/RHBA-2020:5123

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) Infinite loop

EUVDB-ID: #VU45699