Multiple vulnerabilities in SaltStack Salt



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-21996
CVE-2021-22004
CWE-ID CWE-287
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Salt
Web applications / Remote management & hosting panels

Vendor SaltStack

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Exposure of Resource to Wrong Sphere

EUVDB-ID: #VU58294

Risk: Low

CVSSv4.0: 5.9 [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: N/A

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Salt: 3003 - 3003.2

CPE2.3 External links

http://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/


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.

2) Improper Authentication

EUVDB-ID: #VU58293

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22004

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to the salt minion installer will accept and use a minion config file at C:\salt\conf if that file is in place before the installer is run. A local user with ability to create files in the said directory can subvert the proper behavior of the given minion software.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Salt: 3001 - 3003.2

CPE2.3 External links

http://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/


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.



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