Remote code execution in Puppet MCollective



Published: 2017-05-11 | Updated: 2017-09-05
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-2292
CWE-ID CWE-502
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		MCollective
Server applications / Frameworks for developing and running applications

Vendor Puppet Labs

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Deserialization of untrusted data

EUVDB-ID: #VU8099

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-2292

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary code.

The weakness exists due to deserialization of YAML from agents without calling safe_load. A remote attacker can send a specially crafted request and execute arbitrary code on the server.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update to version 2.11.0.

Vulnerable software versions

MCollective: 2.8.7 - 10.0

External links

http://puppet.com/security/cve/cve-2017-2292


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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



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