USN-4121-1: Samba vulnerability
samba vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
Summary
Samba would allow unintended access to files over the network.
Software Description
- samba – SMB/CIFS file, print, and login server for Unix
Details
Stefan Metzmacher discovered that the Samba SMB server did not properly
prevent clients from escaping outside the share root directory in
some situations. An attacker could use this to gain access to files
outside of the Samba share, where allowed by the permissions of the
underlying filesystem.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- samba – 2:4.10.0+dfsg-0ubuntu2.4
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-4121-1: Samba vulnerability
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