ESB-2018.3037 - [Win][UNIX/Linux][Debian] tinc: Multiple vulnerabilities 2018-10-09

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3037
                           tinc security update
                              9 October 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           tinc
Publisher:         Debian
Operating System:  Debian GNU/Linux 9
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Access Privileged Data -- Remote with User Interaction
                   Unauthorised Access    -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-16758 CVE-2018-16738 

Original Bulletin: 
   http://www.debian.org/security/2018/dsa-4312

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running tinc check for an updated version of the software for their
         operating system.

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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:

CVE-2018-16738

    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 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:
https://security-tracker.debian.org/tracker/tinc

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
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