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[SECURITY] [DSA 4312-1] tinc security update

Posted on 08 October 2018
Debian Security Advisory

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Debian Security Advisory DSA-4312-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
October 08, 2018 https://www.debian.org/security/faq
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Package : tinc
CVE ID : CVE-2018-16738 CVE-2018-16758

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


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.


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 the stable distribution (stretch), these problems have been fixed in
version 1.0.31-1+deb9u1.

We recommend that you upgrade your tinc packages.

For the detailed security status of tinc please refer to its security
tracker page at:

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: debian-security-announce@lists.debian.org