ESB-2019.0627 - [Debian] bind9: Multiple vulnerabilities 2019-03-01

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0627
                     [DLA 1697-1] bind9 security updat
                               1 March 2019

===========================================================================

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

Product:           bind9
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
                   Denial of Service   -- Existing Account      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6465 CVE-2018-5745 

Reference:         ESB-2019.0561.2
                   ESB-2019.0549

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2019/02/msg00043.html

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Package        : bind9
Version        : 1:9.9.5.dfsg-9+deb8u17
CVE ID         : CVE-2018-5745 CVE-2019-6465


Two issues have been found in bind9, the Internet Domain Name Server.

CVE-2019-6465
     Zone transfer for DLZs are executed though not permitted by ACLs.

CVE-2018-5745
     Avoid assertion and thus causing named to deliberately exit when a
     trust anchor's key is replaced with a key which uses an unsupported
     algorithm.


For Debian 8 "Jessie", these problems have been fixed in version
1:9.9.5.dfsg-9+deb8u17.

We recommend that you upgrade your bind9 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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