ZDI-CAN-15924: (Pwn2Own) 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 the service account.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lexmark MC3224i |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15924?
The severity of ZDI-CAN-15924 is critical, allowing arbitrary code execution without authentication.
How do I fix ZDI-CAN-15924?
To fix ZDI-CAN-15924, apply the latest firmware update provided by Lexmark for the MC3224i printer.
Who is affected by ZDI-CAN-15924?
Organizations using Lexmark MC3224i printers are affected by ZDI-CAN-15924 and should take immediate action.
Is authentication required to exploit ZDI-CAN-15924?
No, authentication is not required to exploit ZDI-CAN-15924, making it particularly dangerous.
What type of attack does ZDI-CAN-15924 allow?
ZDI-CAN-15924 allows network-adjacent attackers to execute arbitrary code on the affected printers.
- agent/references
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-328
- alias/ZDI-CAN-15924
- alias/CVE-2021-44738
- agent/software-canonical-lookup
- agent/severity
- agent/title
- agent/description
- agent/type
- agent/event
- agent/tags
- agent/source
- vendor/lexmark
- canonical/lexmark mc3224i