ZDI-26-655: PAPPL Printer IPP Processing Stack-based Buffer Overflow Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of PAPPL. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8.
Affected Software
Event History
Frequently Asked Questions
What level of access does an attacker need before exploiting this issue?
The attacker must already be able to execute low-privileged code on the affected system. This is a local privilege-escalation issue, not an initial remote-access vector based on the provided information.
Who is realistically exposed to this vulnerability?
Affected PAPPL installations are exposed when a low-privileged local user, process, or previously compromised account can run code on the system. Systems without untrusted local code execution have a reduced opportunity for exploitation, based on the stated prerequisite.