Vulnerability identifier: #VU39762

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-3176

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

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

Vendor: SaltStack

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Salt before 2015.5.10 and 2015.8.x before 2015.8.8, when PAM external authentication is enabled, allows attackers to bypass the configured authentication service by passing an alternate service with a command sent to LocalClient.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Salt: 2015.8.0 - 2015.8.7

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External links
http://docs.saltstack.com/en/latest/topics/releases/2015.5.10.html
http://docs.saltstack.com/en/latest/topics/releases/2015.8.8.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.