#VU12735 Path traversal in Salt - CVE-2017-14695

Vulnerability identifier: #VU12735

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-14695

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Salt
Web applications / Remote management & hosting panels

Vendor: SaltStack

Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists in minion id validation due to path traversal. A remote attacker with incorrect credentials can authenticate to a master via a crafted minion ID.

Mitigation
Update to versions 2016.3.8, 2016.11.8 or 2017.7.2.

Vulnerable software versions

Salt: 2016.3.0 - 2016.11.7, 2017.7.0 - 2017.7.1

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External links
https://docs.saltstack.com/en/latest/topics/releases/2017.7.2.html
https://docs.saltstack.com/en/latest/topics/releases/2016.3.8.html
https://docs.saltstack.com/en/latest/topics/releases/2016.11.8.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.