ZDI-CAN-15876: (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 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15876?
The severity of ZDI-CAN-15876 is critical due to the potential for remote code execution.
How do I fix ZDI-CAN-15876?
To fix ZDI-CAN-15876, update to the latest version of Netatalk where the vulnerability has been patched.
What are the potential impacts of ZDI-CAN-15876?
The potential impacts of ZDI-CAN-15876 include unauthorized access and remote code execution on affected systems.
Is authentication required to exploit ZDI-CAN-15876?
No, authentication is not required to exploit ZDI-CAN-15876.
Which software versions are affected by ZDI-CAN-15876?
ZDI-CAN-15876 affects certain installations of Netatalk prior to the security updates.
- agent/references
- agent/softwarecombine
- agent/title
- agent/severity
- agent/type
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-530
- alias/ZDI-CAN-15876
- alias/CVE-2022-0194
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/netatalk
- canonical/netatalk