ZDI-22-529: (Pwn2Own) Netatalk setfilparams 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 setfilparams function. The issue results from the lack of proper validation of 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-22-529?
The severity of ZDI-22-529 is critical due to its potential for remote code execution without authentication.
How do I fix ZDI-22-529?
To fix ZDI-22-529, upgrade Netatalk to version 3.1.13 or later.
What systems are affected by ZDI-22-529?
ZDI-22-529 affects installations of Netatalk prior to version 3.1.13.
Can ZDI-22-529 be exploited without authentication?
Yes, ZDI-22-529 can be exploited by remote attackers without requiring authentication.
What kind of vulnerability is ZDI-22-529?
ZDI-22-529 is a remote code execution vulnerability found in the setfilparams function.
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- agent/type
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-529
- alias/ZDI-CAN-15837
- alias/CVE-2022-23122
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/netatalk
- canonical/netatalk