Arch Linux: 202001-7 Medium: Salt Arbitrary Command Execution

Arch Linux Security Advisory ASA-202001-7
========================================
Severity: Medium
Date    : 2020-01-29
CVE-ID  : CVE-2019-17361
Package : salt
Type    : arbitrary command execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1087

Summary
======
The package salt before version 2019.2.3-1 is vulnerable to arbitrary
command execution.

Resolution
=========
Upgrade to 2019.2.3-1.

# pacman -Syu "salt>=2019.2.3-1"

The problem has been fixed upstream in version 2019.2.3.

Workaround
=========
None.

Description
==========
With the Salt NetAPI enabled in addition to having a SSH roster
defined, unauthenticated access is possible when specifying the client
as SSH. Additionally, when the raw_shell option is specified any
arbitrary command may be run on the Salt master when specifying SSH
options.

Impact
=====
A remote unauthenticated attacker is able to execute arbitrary code on
the affected host.

References
=========
https://docs.saltproject.io/en/latest/topics/releases/2019.2.3.html
https://github.com/saltstack/salt/commit/bca115f3f00fbde564dd2f12bf036b5d2fd08387
https://security.archlinux.org/CVE-2019-17361