ZDI-22-382: Lexmark MC3224i PostScript Out-Of-Bounds Write Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Lexmark MC3224i printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of PostScript data. Crafted PostScript data can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lexmark MC3224i |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-22-382?
The severity of ZDI-22-382 is critical due to its potential to allow execution of arbitrary code without authentication.
How do I fix ZDI-22-382?
To fix ZDI-22-382, apply the latest firmware update provided by Lexmark for the MC3224i printer.
Who is affected by ZDI-22-382?
ZDI-22-382 affects network-adjacent users of Lexmark MC3224i printers.
What causes the vulnerability ZDI-22-382?
ZDI-22-382 is caused by a flaw in the parsing of PostScript data in the affected printer models.
Can ZDI-22-382 be exploited remotely?
Yes, ZDI-22-382 can be exploited remotely by attackers who are on the same network segment as the vulnerable printer.
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