A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||7.4||Base Metrics:||AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N|
|Access Vector:||Network||Attack Complexity:||High|
|Privileges Required:||None||User Interaction:||None|
|Integrity Impact:||High||Availability Impact:||None|
|Oracle Linux version 7 (samba)||ELSA-2017-2790||2017-09-26|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team