Exposure of Resource to Wrong Sphere in Salt - CVE-2021-21996
Published: November 23, 2021
Vulnerability identifier: #VU58294
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21996
CWE-ID:
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: SaltStack
Affected software:
Salt
Salt
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Salt download URL. A local user with control over the file source URL and its source_hash URL can gain full file system access as root on a salt minion.
How to mitigate CVE-2021-21996
Install updates from vendor's website.