External risk intelligence

PaperCut NG/MF Cross-Site Request Forgery Vulnerability

CVE advisoryKnown Exploit

CVE-2023-2533

A Cross-Site Request Forgery vulnerability impacts PaperCut NG/MF. Attackers could alter security settings or execute code by luring an authenticated administrator to a malicious link, creating business risk through unauthorized access.

4Halo Surface Signal

Cross-site Request Forgery

Papercut Mf

before 20.1.821.0.0 to before 21.2.1222.0.0 to before 22.1.122.0.0 to 22.1.1

External exposure likelihood

Halo Surface Signal score for CVE-2023-2533

PaperCut NG/MF is a print management software frequently deployed as a centralized, network-accessible web interface for administrators and users. While it is often hosted on internal networks, these management portals are commonly exposed or reachable within enterprise network perimeters, making them a target for network-based attacks such as CSRF when an administrator is authenticated.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability affects PaperCut NG/MF, a print management software. The flaw could allow an attacker to change security settings or run unauthorized code by tricking an administrator with an active session into clicking a malicious link. This could lead to significant business disruption and unauthorized access to sensitive information.

  • Vulnerable PaperCut NG/MF software
  • Flaw allows unauthorized setting changes
  • Business impact includes data breaches

Attack Path

How an attacker could exploit the issue

A Cross-Site Request Forgery vulnerability exists in PaperCut NG/MF. This vulnerability could allow an attacker to trick an administrator into clicking a malicious link, potentially leading to unauthorized changes to security settings or arbitrary code execution. The attack requires an administrator to be logged into the system.

  • An administrator must be logged in.
  • Attacker sends a malicious link.
  • Link execution alters settings or code.

Live Threat

Current exploitation, exposure, and threat context

A cross-site request forgery vulnerability exists in PaperCut NG/MF. This could allow an attacker to change security settings or run code if an administrator with an active session clicks a malicious link. The potential damage includes unauthorized system changes.

  • Attacker skill level: Likely low.
  • Requires authenticated admin access.
  • Business risk: High urgency.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

A Cross-Site Request Forgery vulnerability has been identified in PaperCut NG/MF. This vulnerability could allow an attacker to alter security settings or execute arbitrary code if an administrator with an active session clicks a malicious link. The potential impact includes unauthorized changes to system configurations, posing a business risk.

  • Identify all PaperCut NG/MF assets.
  • Isolate affected systems or reduce exposure.
  • Apply vendor fixes and validate.
  • Monitor for related security events.

Frequently asked questions

What is PaperCut NG/MF and its purpose in managing print environments?

PaperCut NG/MF is a print management software designed to help organizations control and track their printing activities. It enables features such as usage monitoring, policy enforcement, and print job security.

What type of vulnerability is CVE-2023-2533, and what weakness class does it belong to?

CVE-2023-2533 is a Cross-Site Request Forgery (CSRF) vulnerability, classified under CWE-352. This type of weakness occurs when a web application does not properly verify the origin of a request, allowing an attacker to induce a victim's browser to send a malicious, unintended request to a vulnerable server.

How can an attacker exploit the CVE-2023-2533 vulnerability in PaperCut NG/MF?

Exploitation requires an authenticated administrator to click a specially crafted malicious link. This action can trick the administrator's browser into sending unintended requests, potentially altering security settings or executing arbitrary code on the PaperCut system without the administrator's explicit consent.

What is the relevance of CVE-2023-2533, especially concerning its exposure and potential impact?

This CVE is relevant due to its classification as an external threat, meaning it can be exploited over a network. The vulnerability carries a CVSS v3.1 base score of 8.8 (HIGH), indicating a significant risk of unauthorized changes to security settings or arbitrary code execution, which could lead to substantial business disruption and data breaches.

What steps should be taken to address the CVE-2023-2533 vulnerability in PaperCut NG/MF?

Organizations should identify all PaperCut NG/MF installations, apply the vendor-provided security patches or fixes, and validate that the mitigations have been successfully implemented. Monitoring for any unusual security events related to the print management system is also advised.

References