SUSE update for SUSE Manager Salt Bundle

1) UNIX symbolic link following

EUVDB-ID: #VU82944

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-34049

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue in Salt-SSH pre-flight option. A local user can create a specially crafted symbolic link to an empty file on the system, wait for the salt to create the file for further execution, update the symbolic link and point it to another file that is under attacker's control and execute the file with root privileges.

Mitigation

Update the affected package SUSE Manager Salt Bundle to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.0 - 5.5

SUSE Manager Proxy Module: 4.3

SUSE Manager Client Tools for SLE Micro: 5

SUSE Manager Client Tools for SLE: 15

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP5

SUSE Linux Enterprise Server 15: SP1 - SP5

SUSE Linux Enterprise Real Time 15: SP1 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP5

SUSE Linux Enterprise Desktop 15: SP1 - SP5

SUSE Linux Enterprise Desktop: 15-SP1

SUSE Manager Server Module: 4.3

SUSE Linux Enterprise Server: 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS

openSUSE Leap: 15.3 - 15.5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server for SAP Applications: 15

venv-salt-minion: before 3006.0-150000.3.48.2

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20234749-1/

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.