CVE-2022-43634
9.8
CRITICAL
CVSS 3.1
EPSS 4.0%
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.
How to fix CVE-2022-43634
To remediate CVE-2022-43634, upgrade the affected package to a fixed version below.
- —upgrade to 3.1.12~ds-8+deb11u1 or later
Is CVE-2022-43634 being exploited?
Low — EPSS is 4.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.1.12~ds-8+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |