SUSE update for cloud-init

Published: 2023-05-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-3429 CVE-2023-1786
CWE-ID	CWE-532 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Public Cloud Module Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system cloud-init-config-suse Operating systems & Components / Operating system package or component cloud-init Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Inclusion of Sensitive Information in Log Files

EUVDB-ID: #VU51629

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3429

CWE-ID: CWE-532 - Information Exposure Through Log Files

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to cloud-init writes randomly generated passwords as part of the chpasswd module into log files. A local user can read the log files and gain access to sensitive data.

Mitigation

Update the affected package cloud-init to the latest version.

Vulnerable software versions

Public Cloud Module: 12

SUSE Linux Enterprise Server for SAP Applications 12: SP1 - SP5

SUSE Linux Enterprise Server 12: SP1 - SP5

SUSE Linux Enterprise High Performance Computing 12: SP2 - SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP4

SUSE Linux Enterprise Server: 12-SP2-LTSS-ERICSSON

cloud-init-config-suse: before 20.2-37.57.1

cloud-init: before 20.2-37.57.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20232164-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Information disclosure

EUVDB-ID: #VU75538

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1786

CWE-ID: CWE-200 - Information exposure