Code Injection in SaltStack Salt

1) Code Injection

EUVDB-ID: #VU42399

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 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

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 - 0.16.4

CPE2.3

• cpe:2.3:a:saltstack:salt:0.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.8.0:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.8.7:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.8.8:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.8.9:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.9.0:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.9.2:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.9.3:*:*:*:*:*:*:*
• cpe:2.3:a:saltstack:salt:0.9.4:*:*:*:*:*:*:*

External links

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

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.