ZDI-CAN-15819: (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-CAN-15819?
ZDI-CAN-15819 is considered a critical vulnerability due to its potential for remote code execution without authentication.
How do I fix ZDI-CAN-15819?
To fix ZDI-CAN-15819, upgrade to the latest patched version of Netatalk as provided by the vendor.
What systems are affected by ZDI-CAN-15819?
ZDI-CAN-15819 affects installations of Netatalk that have the vulnerable version prior to the patch.
Can ZDI-CAN-15819 be exploited remotely?
Yes, ZDI-CAN-15819 can be exploited remotely without any authentication required.
What kind of attack can ZDI-CAN-15819 facilitate?
ZDI-CAN-15819 allows remote attackers to execute arbitrary code on affected systems.
- 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-22-527
- alias/ZDI-CAN-15819
- alias/CVE-2022-23121
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/netatalk
- canonical/netatalk