ZDI-CAN-15869: (Pwn2Own) Netatalk copyapplfile Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the copyapplfile function. When parsing the len element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netatalk |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15869?
The severity of ZDI-CAN-15869 is critical due to the ability for remote attackers to execute arbitrary code without authentication.
How do I fix ZDI-CAN-15869?
To fix ZDI-CAN-15869, update your Netatalk installation to the latest version available from the official Netatalk website.
What software is affected by ZDI-CAN-15869?
ZDI-CAN-15869 affects the Netatalk software, specifically versions prior to the latest update.
Can ZDI-CAN-15869 be exploited remotely?
Yes, ZDI-CAN-15869 can be exploited remotely without requiring any form of authentication.
What specific function is flawed in ZDI-CAN-15869?
The specific flaw in ZDI-CAN-15869 exists within the copyapplfile function when it improperly handles the len element.
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- alias/ZDI-22-526
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