#VU42399 Code Injection in Salt - CVE-2013-4438

Vulnerability identifier: #VU42399

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2013-4438

CWE-ID: CWE-94

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 (aka SaltStack) before 0.17.1 allows remote attackers to execute arbitrary YAML code via unspecified vectors. NOTE: the vendor states that this might not be a vulnerability because the YAML to be loaded has already been determined to be safe.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Salt: 0.6.0, 0.7.0, 0.8.0 - 0.8.9, 0.9.0 - 0.9.9, 0.10.0 - 0.10.5, 0.11.0, 0.12.0, 0.13.0, 0.14.0, 0.15.0 - 0.15.1, 0.16.0 - 0.16.4

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External links
https://docs.saltstack.com/topics/releases/0.17.1.html
https://www.openwall.com/lists/oss-security/2013/10/18/3

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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.