Rapid7

vulnerability

Ubuntu: USN-3976-4: Samba vulnerability

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
May 27, 2019
Added
May 28, 2019
Modified
Feb 19, 2025

Description


USN-3976-1 fixed a vulnerability in Samba. The update introduced a regression causing Samba to occasionally crash. This update fixes the problem.


Original advisory details:


Isaac Boukris and Andrew Bartlett discovered that Samba incorrectly checked S4U2Self packets. In certain environments, a remote attacker could possibly use this issue to escalate privileges.

Solution

ubuntu-upgrade-samba
Title
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