Advisory Details

December 15th, 2023

PaperCut NG Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

ZDI-23-1798
ZDI-CAN-21500

CVE ID CVE-2023-6006
CVSS SCORE 7.0, AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS PaperCut
AFFECTED PRODUCTS NG
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of PaperCut NG. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the pc-pdl-to-image process. The process loads an executable from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of 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-november-2023/
DISCLOSURE TIMELINE
  • 2023-07-04 - Vulnerability reported to vendor
  • 2023-12-15 - Coordinated public release of advisory
CREDIT Amol Dosanjh of Trend Micro and Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
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