USN-3976-2: Samba vulnerability
14 May 2019
Samba could allow unintended access to network services.
Releases
Packages
- samba - SMB/CIFS file, print, and login server for Unix
Details
USN-3976-1 fixed a vulnerability in Samba. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-3976-1: libparse-pidl-perl, ctdb, libpam-winbind, samba, samba-common-bin, samba-dev, smbclient, registry-tools, libsmbclient, python3-samba, winbind, python-samba, libnss-winbind, samba-dsdb-modules, libwbclient-dev, samba-libs, samba-common, samba-testsuite, libwbclient0, samba-vfs-modules, libsmbclient-dev
- USN-5675-1: heimdal-clients, heimdal-kcm, heimdal-docs, heimdal-servers-x, heimdal-servers, libkafs0-heimdal, libhcrypto4-heimdal, libroken18-heimdal, libhdb9-heimdal, libkadm5srv8-heimdal, heimdal, libasn1-8-heimdal, libotp0-heimdal, libkrb5-26-heimdal, libgssapi3-heimdal, heimdal-kdc, heimdal-multidev, heimdal-clients-x, libheimbase1-heimdal, libkadm5clnt7-heimdal, libsl0-heimdal, heimdal-dev, libwind0-heimdal, libheimntlm0-heimdal, libhx509-5-heimdal, libkdc2-heimdal