Fedora 25 update for puppet

Published: 2017-05-23 | Updated: 2025-04-24

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2017-2295
CWE-ID	CWE-502
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system puppet Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Deserialization of untrusted data

EUVDB-ID: #VU6804

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-2295

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application performs YAML deserialization in an unsafe manner. A remote attacker can send to server specially crafted serialized data and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 25

puppet: before 4.2.1-5.fc25

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2017-8ad8d1bd86

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.