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: samba-testsuite, libparse-pidl-perl, libsmbclient, python-samba, samba-common, samba-libs, libnss-winbind, samba-dsdb-modules, winbind, registry-tools, libpam-winbind, samba-dev, python3-samba, libsmbclient-dev, samba-vfs-modules, samba, samba-common-bin, smbclient, libwbclient0, ctdb, libwbclient-dev
- USN-5675-1: libasn1-8-heimdal, libhdb9-heimdal, heimdal-servers-x, libkafs0-heimdal, heimdal-servers, libkrb5-26-heimdal, heimdal-dev, libroken18-heimdal, heimdal-kcm, libhcrypto4-heimdal, heimdal, heimdal-multidev, libsl0-heimdal, libotp0-heimdal, libkadm5clnt7-heimdal, libkdc2-heimdal, heimdal-kdc, libkadm5srv8-heimdal, heimdal-docs, libheimbase1-heimdal, libhx509-5-heimdal, libheimntlm0-heimdal, libgssapi3-heimdal, heimdal-clients, heimdal-clients-x, libwind0-heimdal