CVE-2024-4712: Arbitrary File Creation in PaperCut NG/MF Web Print Image Handler
An arbitrary file creation vulnerability exists in PaperCut NG/MF that only affects Windows servers with Web Print enabled. This specific flaw exists within the image-handler process, which can incorrectly create files that don’t exist when a maliciously formed payload is provided. This can lead to local privilege escalation.
Note:
This CVE has been split into two (CVE-2024-4712 and CVE-2024-8405) and it’s been rescored with a "Privileges Required (PR)" rating of low, and “Attack Complexity (AC)” rating of low, reflecting the worst-case scenario where an Administrator has granted local login access to standard network users on the host server.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
PaperCut NG/MFto a version that resolves this vulnerability.Patch CVE-2024-4712 - Upgrade
Upgrade
PaperCut NG/MFto a version that resolves this vulnerability.Patch CVE-2024-8405 - Compensating control
Limit Web Print usage to trusted contexts on Windows servers and restrict access so that only authorized administrators/users can log into the host server where the image-handler process runs (the worst-case scenario described assumes an Administrator grants local login access to standard network users).
Event History
Frequently Asked Questions
What is the severity of CVE-2024-4712?
CVE-2024-4712 has been assigned a severity rating that indicates a critical risk due to its potential to allow arbitrary file creation on affected systems.
How do I fix CVE-2024-4712?
To fix CVE-2024-4712, users should apply the latest security patch provided by PaperCut for versions prior to 23.0.9.
Which versions of PaperCut are affected by CVE-2024-4712?
CVE-2024-4712 affects PaperCut NG and MF versions prior to 23.0.9 on Windows servers with Web Print enabled.
What are the potential impacts of exploiting CVE-2024-4712?
Exploitation of CVE-2024-4712 could allow an attacker to create arbitrary files on the server, potentially leading to further system compromise.
Is there a specific operating system affected by CVE-2024-4712?
Yes, CVE-2024-4712 specifically affects Windows servers that are running PaperCut NG or MF with Web Print enabled.