Red Hat OpenShift Container Platform 4.4 update for cri-o

Published: 2020-05-04

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-1702 CVE-2020-8945
CWE-ID	CWE-400 CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Red Hat OpenShift Container Platform Client/Desktop applications / Software for system administration cri-o (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) Resource exhaustion

EUVDB-ID: #VU26514

Risk: Medium

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

CVE-ID: CVE-2020-1702

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 reads the entire image manifest file into memory. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack by supplying a huge manifest file.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.4.0 - 4.4.2

cri-o (Red Hat package): 1.0.4-2.git4aceede.el7 - 1.16.3-28.dev.rhaos4.3.git9aad8e4.el8

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2020:1937

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) Use-after-free

EUVDB-ID: #VU25501

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-8945

CWE-ID: CWE-416 - Use After Free