USN-4217-2: Samba vulnerabilities
samba vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary
Several security issues were fixed in Samba.
Software Description
- samba – SMB/CIFS file, print, and login server for Unix
Details
USN-4217-1 fixed several vulnerabilities in Samba. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Andreas Oster discovered that the Samba DNS management server incorrectly
handled certain records. An authenticated attacker could possibly use this
issue to crash Samba, resulting in a denial of service. (CVE-2019-14861)
Isaac Boukris discovered that Samba did not enforce the Kerberos
DelegationNotAllowed feature restriction, contrary to expectations.
(CVE-2019-14870)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- libsmbclient – 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm4
- samba – 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4217-2: Samba vulnerabilities
