Link following in Netatalk - #VU137336

 

Link following in Netatalk - #VU137336

Published: July 12, 2026


Vulnerability identifier: #VU137336
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Netatalk
Affected software:
Netatalk

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to improper link resolution before file access in FinderInfo handling when processing crafted metadata that sets FinderInfo to "slnkrhap". A remote user can create a crafted file state to disclose sensitive information.

The server creates a symlink using file contents as the target with no path validation.


Remediation

Install security update from vendor's website.

Sources