ZDI-CAN-15895: (Pwn2Own) Lexmark MC3224i setuid Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Lexmark MC3224i printers. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the permissions set on root-owned service files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lexmark Mc3224i Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15895?
The severity of ZDI-CAN-15895 is considered high due to the potential for privilege escalation.
How do I fix ZDI-CAN-15895?
To fix ZDI-CAN-15895, update the firmware of Lexmark MC3224i printers to the latest version provided by Lexmark.
Who is affected by ZDI-CAN-15895?
ZDI-CAN-15895 affects Lexmark MC3224i printer installations that allow local code execution.
What kind of attacks can ZDI-CAN-15895 enable?
ZDI-CAN-15895 can enable local attackers to escalate privileges, potentially allowing unauthorized access to sensitive functions.
Is remote access needed to exploit ZDI-CAN-15895?
No, remote access is not required; an attacker must have local access to execute low-privileged code to exploit ZDI-CAN-15895.
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