Regular expression denial of service in Puppet Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-1894 |
| CWE-ID | CWE-1333 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Puppet Server Server applications / Conferencing, Collaboration and VoIP solutions Puppet Enterprise Client/Desktop applications / Software for system administration |
| Vendor | Puppet Labs |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Inefficient regular expression complexity
EUVDB-ID: #VU83504
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-1894
CWE-ID:
CWE-1333 - Inefficient Regular Expression Complexity
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..
Vulnerable software versionsPuppet Server: 7.0.0 - 7.10.0
Puppet Enterprise: 2021.1.0 - 2023.0.0
External linkshttp://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos
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.
