CVE-2024-4712: papercut mf Command Injection — Fix

Description

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.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
papercut	papercut_mf	< 23.0.9
papercut	papercut_ng	< 23.0.9
microsoft	windows	All

References

Advisories & Patches

https://www.papercut.com/kb/Main/Security-Bulletin-May-2024/ https://www.papercut.com/kb/Main/security-bulletin-may-2024/

Frequently Asked Questions

What is CVE-2024-4712? +

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. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-4712? +

CVE-2024-4712 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-4712? +

CVE-2024-4712 affects products from microsoft, papercut, specifically: papercut_mf, papercut_ng, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-4712? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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