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CVE
TrueNAS 12.0

Versions Affected : All versions prior to TrueNAS Core 12.0-U8.1 To verify if a system isvulnerable, run afpd -v. Systems with a version string that is not 3.1.13 or newer are vulnerable.

Description

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 setfilparams 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 stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.

CVSS

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

Base score 5.3

Workaround

No workarounds available

Mitigation

  • Disable affected AFP shares until upgrade is possible
  • Upgrade to TrueNAS 12.0-U8.1

Commit

Further information