ZDI-22-528: (Pwn2Own) Netatalk getdirparams Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getdirparams method. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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 severity of ZDI-22-528?
The severity of ZDI-22-528 is medium with a severity value of 5.3.
How does ZDI-22-528 affect Netatalk?
ZDI-22-528 affects Netatalk installations by allowing remote attackers to disclose sensitive information.
Is authentication required to exploit ZDI-22-528?
No, authentication is not required to exploit ZDI-22-528.
Which method does ZDI-22-528 exploit?
ZDI-22-528 exploits the getdirparams method.
How can I fix ZDI-22-528?
To fix ZDI-22-528, update Netatalk to version 3.1.13 or later.
- agent/title
- agent/references
- agent/severity
- agent/description
- agent/type
- agent/event
- agent/softwarecombine
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-528
- alias/ZDI-CAN-15830
- alias/CVE-2022-23123
- agent/software-canonical-lookup
- vendor/netatalk
- canonical/netatalk netatalk