Input validation error in Puppet



| Updated: 2020-08-08
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-2296
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Puppet Agent
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Puppet Labs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU37572

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-2296

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

In Puppet Enterprise 2017.1.x and 2017.2.1, using specially formatted strings with certain formatting characters as Classifier node group names or RBAC role display names causes errors, effectively causing a DOS to the service. This was resolved in Puppet Enterprise 2017.2.2.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Puppet Agent:

CPE2.3 External links

https://puppet.com/security/cve/cve-2017-2296


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated 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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