#VU8517 Man-in-the-Middle attack in Samba - CVE-2017-12151

Vulnerability identifier: #VU8517

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2017-12151

CWE-ID: CWE-310

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
Samba

Software vendor:
Samba

The vulnerability allows a remote attacker to perform a MitM attack.

The vulnerability exists due to absence of encryption across DFS redirects. A remote attacker can read and alter documents, transferred via a client connection.

Update to version 4.6.8, 4.5.14 and 4.4.16or apply patches:
https://www.samba.org/samba/ftp/patches/security/samba-4.4.15-security-2017-09-20.patch
https://www.samba.org/samba/ftp/patches/security/samba-4.5.13-security-2017-09-20.patch
https://www.samba.org/samba/ftp/patches/security/samba-4.6.7-security-2017-09-20.patch

• https://www.samba.org/samba/security/CVE-2017-12151.html