#VU68700 UNIX symbolic link following in Samba - CVE-2022-3592
Published: October 25, 2022
Vulnerability identifier: #VU68700
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-3592
CWE-ID: CWE-61
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Samba
Samba
Software vendor:
Samba
Samba
Description
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue. A remote user with access to the exported part of the file system under a share via SMB1 unix extensions or NFS can create symlinks to files outside of the smbd configured share path and access otherwise restricted files on the server.
Remediation
Install updates from vendor's website.