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AUSCERT External Security Bulletin Redistribution
tinc security update
9 October 2018
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Access Privileged Data -- Remote with User Interaction
Unauthorised Access -- Remote/Unauthenticated
CVE Names: CVE-2018-16758 CVE-2018-16737
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Package : tinc
Version : 1.0.24-2+deb8u1
CVE ID : CVE-2018-16737 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 Debian 8 "Jessie", these problems have been fixed in version
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: https://wiki.debian.org/LTS
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