ZDI-22-327: (Pwn2Own) Lexmark MC3224i pagemaker Insufficient Session Expiration 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 system in order to exploit this vulnerability. The specific flaw exists within the remote object server. The issue results from the lack of an appropriate expiration mechanism for session IDs. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the web admin user.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lexmark MC3224i |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-22-327?
The severity of ZDI-22-327 is categorized as a high risk due to its potential for privilege escalation.
How do I fix ZDI-22-327?
To fix ZDI-22-327, ensure that your Lexmark MC3224i printer firmware is updated to the latest version provided by Lexmark.
Who is affected by ZDI-22-327?
Only installations of Lexmark MC3224i printers are affected by ZDI-22-327.
What type of attack does ZDI-22-327 involve?
ZDI-22-327 involves a local attack that requires the attacker to have the ability to execute low-privileged code on the target system.
Is remote access needed to exploit ZDI-22-327?
No, remote access is not needed to exploit ZDI-22-327; the attacker must first gain local access to the printer.
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- alias/ZDI-CAN-15925
- alias/CVE-2021-44738
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- vendor/lexmark
- canonical/lexmark mc3224i