Command Injection in Salt - CVE-2021-3148
Published: February 28, 2021
Vulnerability identifier: #VU50984
CSH Severity: Medium
CVSSv4.0: 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:U/U:Green
CVE-ID: CVE-2021-3148
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Salt
Salt
Software vendor:
SaltStack
SaltStack
Description
The vulnerability allows a remote user to execute arbitrary commands within the application.
The vulnerability exists due to improper input validation, related to handling single and double quotes, within the salt.utils.thin.gen_thin() function in salt/utils/thin.py. A remote user can send a specially crafted HTTP request to the SaltAPI and execute arbitrary commands.
Remediation
Install updates from vendor's website.