SUSE update for containerd

Published: 2022-12-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-23471 CVE-2022-27191
CWE-ID	CWE-400 CWE-327
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openSUSE Leap Micro Operating systems & Components / Operating system SUSE Linux Enterprise Micro Operating systems & Components / Operating system SUSE Linux Enterprise Module for Containers Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE CaaS Platform Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Module for Packagehub Subpackages Operating systems & Components / Operating system package or component containerd-ctr Operating systems & Components / Operating system package or component containerd Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU70039

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23471

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to an error in containerd CRI stream server when handling terminal resize events. A remote user can request a TTY and force it to fail by sending a faulty command and exhaust memory on the host.

Mitigation

Update the affected package containerd to the latest version.

Vulnerable software versions

openSUSE Leap Micro: 5.2 - 5.3

SUSE Linux Enterprise Micro: 5.1 - 5.3

SUSE Linux Enterprise Module for Containers: 15-SP3 - 15-SP4

SUSE Enterprise Storage: 6 - 7.1

SUSE Manager Retail Branch Server: 4.1 - 4.3

SUSE Manager Server: 4.1 - 4.3

SUSE Manager Proxy: 4.1 - 4.3

SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP2

SUSE Linux Enterprise Server: 15-LTSS - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-ESPOS - 15-SP4

SUSE CaaS Platform: 4.0

openSUSE Leap: 15.3 - 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3

containerd-ctr: before 1.6.12-150000.79.1

containerd: before 1.6.12-150000.79.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224463-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU62039