Michael Hanselmann discovered that Samba, a SMB/CIFS file, print, and login server for Unix, was vulnerable to a symlink traversal attack. It would allow remote authenticated users with write permission to either write or detect files outside of Samba shares.

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Debian Security Advisory DSA-4427-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                       Sebastien Delafond
April 08, 2019                        https://www.debian.org/security/faq
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Package        : samba
CVE ID         : CVE-2019-3880

Michael Hanselmann discovered that Samba, a SMB/CIFS file, print, and
login server for Unix, was vulnerable to a symlink traversal
attack. It would allow remote authenticated users with write
permission to either write or detect files outside of Samba shares.

For the stable distribution (stretch), this problem has been fixed in
version 2:4.5.16+dfsg-1+deb9u1.

We recommend that you upgrade your samba packages.

For the detailed security status of samba please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/samba

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.