#VU78573 Security features bypass in Samba - CVE-2023-3347
Published: July 24, 2023
Vulnerability identifier: #VU78573
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-3347
CWE-ID: CWE-254
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Samba
Samba
Software vendor:
Samba
Samba
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to SMB2 packet signing feature is not enforced if the server is configured with the "server signing = required" option or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. A remote attacker can intercept and manipulate data.
Remediation
Install updates from vendor's website.