ZDI-22-530: (Pwn2Own) Netatalk ad_addcomment 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 ad_addcomment 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 Netatalk |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Netatalk vulnerability?
The vulnerability ID for this Netatalk vulnerability is ZDI-22-530.
What is the severity of the ZDI-22-530 vulnerability?
The severity of the ZDI-22-530 vulnerability is critical with a CVSS score of 9.8.
How can remote attackers exploit the ZDI-22-530 vulnerability?
Remote attackers can exploit the ZDI-22-530 vulnerability to execute arbitrary code on affected installations of Netatalk without authentication.
What software is affected by the ZDI-22-530 vulnerability?
The Netatalk software is affected by the ZDI-22-530 vulnerability.
Is authentication required to exploit the ZDI-22-530 vulnerability?
No, authentication is not required to exploit the ZDI-22-530 vulnerability.
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- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-530
- alias/ZDI-CAN-15876
- alias/CVE-2022-0194
- agent/software-canonical-lookup
- vendor/netatalk
- canonical/netatalk netatalk