Man-in-the-Middle Vulnerability in Samba's Heimdal KDC Implementation
CVE-2018-16860
7.5HIGH
Key Information:
What is CVE-2018-16860?
A vulnerability exists in the KDC implementation of Samba's Heimdal versions 4.8.x, 4.9.x, and 4.10.x, allowing an attacker to impersonate a legitimate user. By intercepting requests to the KDC, the attacker can modify the username in the request, enabling them to receive a Kerberos ticket for any user that exists in the KDC. This flaw poses a significant risk in environments utilizing Active Directory Domain Controller mode, as it can lead to unauthorized access and potential data breaches.
Affected Version(s)
samba 4.8.x up to, excluding 4.8.12
samba 4.9.x up to, excluding 4.9.8
samba 4.10.x up to, excluding 4.10.3