Advisory Details

June 18th, 2024

PaperCut MF handleServiceException Cross-Site Scripting Authentication Bypass Vulnerability

ZDI-24-784
ZDI-CAN-23254

CVE ID CVE-2024-1883
CVSS SCORE 8.8, AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS PaperCut
AFFECTED PRODUCTS MF
VULNERABILITY DETAILS

This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut MF. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handleServiceException method. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system.

ADDITIONAL DETAILS PaperCut has issued an update to correct this vulnerability. More details can be found at:
https://www.papercut.com/kb/Main/Security-Bulletin-March-2024
DISCLOSURE TIMELINE
  • 2024-02-22 - Vulnerability reported to vendor
  • 2024-06-18 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Anonymous
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