Debian Security Advisory

DLA-1538-1 tinc -- LTS security update

Date Reported:
08 Oct 2018
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2018-16737, CVE-2018-16758.
More information:

Several vulnerabilities were discovered in tinc, a Virtual Private Network (VPN) daemon. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2018-16737

    Michael Yonli discovered a flaw in the implementation of the authentication protocol that could allow a remote attacker to establish an authenticated, one-way connection with another node.

  • CVE-2018-16758

    Michael Yonli discovered that a man-in-the-middle that has intercepted a TCP connection might be able to disable encryption of UDP packets sent by a node.

For Debian 8 Jessie, these problems have been fixed in version 1.0.24-2+deb8u1.

We recommend that you upgrade your tinc packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: