Security restrictions bypass in Salt - CVE-2020-28243
Published: February 28, 2021
Vulnerability identifier: #VU50988
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-28243
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: SaltStack
Affected software:
Salt
Salt
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation. A remote user can create files in any non-blacklisted directory via a command injection in a process name.
How to mitigate CVE-2020-28243
Install updates from vendor's website.