CVE-2022-43634 — CRITICAL (9.8)

Vulnerability Description

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 dsi_writeinit 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 heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-17646.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Netatalk	Netatalk	3.1.13

Related Weaknesses (CWE)

CWE-122

References

FAQ

What is CVE-2022-43634?

CVE-2022-43634 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 withi...

How severe is CVE-2022-43634?

CVE-2022-43634 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-43634?

Check the references section above for vendor advisories and patch information. Affected products include: Netatalk Netatalk.