Vulnerability identifier: #VU64691

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0675

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Puppet Firewall Module
Server applications / Other server solutions

Vendor: Puppet Labs

Description

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

The vulnerability exists due to in certain situations it is possible for an unmanaged rule to exist on the target system that has the same comment as the rule specified in the manifest. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Puppet Firewall Module: 1.15.2 - 3.3.0

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External links
http://puppet.com/security/cve/CVE-2022-0675
http://bugzilla.redhat.com/show_bug.cgi?id=2071567

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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.