USN-4454-1: Samba vulnerability
10 August 2020
Samba could be made to crash if it received specially crafted network traffic.
- samba - SMB/CIFS file, print, and login server for Unix
Martin von Wittich and Wilko Meyer discovered that Samba incorrectly
handled certain empty UDP packets when being used as a AD DC NBT server. A
remote attacker could possibly use this issue to cause Samba to crash,
resulting in a denial of service.
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.
- USN-4454-2: samba-libs, swat, libpam-smbpass, samba-doc-pdf, libpam-winbind, winbind, samba-doc, libsmbclient-dev, libsmbsharemodes0, libnss-winbind, libwbclient0, samba, registry-tools, samba-vfs-modules, smbclient, samba-tools, libsmbsharemodes-dev, libsmbclient, samba-testsuite, samba-common, samba-common-bin, libwbclient-dev, samba-dev, python-samba, samba-dsdb-modules, libparse-pidl-perl