ZDI-22-527: (Pwn2Own) Netatalk parse_entries Improper Handling of Exceptional Conditions 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 parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. 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-22-527?
The severity of ZDI-22-527 is critical due to its ability to allow remote code execution.
How do I fix ZDI-22-527?
To fix ZDI-22-527, upgrade to the latest version of Netatalk that addresses this vulnerability.
What versions of Netatalk are affected by ZDI-22-527?
ZDI-22-527 affects multiple versions of Netatalk prior to the release that includes the fix.
Can ZDI-22-527 be exploited without authentication?
Yes, ZDI-22-527 can be exploited without any authentication required.
What type of vulnerability is ZDI-22-527?
ZDI-22-527 is a remote code execution vulnerability.
- agent/references
- agent/type
- agent/softwarecombine
- agent/title
- agent/severity
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-527
- alias/ZDI-CAN-15819
- alias/CVE-2022-23121
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/netatalk
- canonical/netatalk