SB2023083117 - Multiple vulnerabilities in PaperCut NG/MF
Published: August 31, 2023 Updated: July 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Cross-site request forgery (CVE-ID: CVE-2023-2533)
CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the application administrator to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as alter security settings or execute arbitrary code.
2) Path traversal (CVE-ID: CVE-2023-31046)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the Application Server and Site Server. A remote non-authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.
3) Code Injection (CVE-ID: CVE-2023-39469)
CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation within the External User Lookup functionality. A remote privileged user can send a specially crafted request and execute arbitrary Java code on the target system.
Remediation
Install update from vendor's website.