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

                               ESB-2021.2846
                           tnef security update
                              24 August 2021

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

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

Product:           tnef
Publisher:         Debian
Operating System:  Debian GNU/Linux
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-18849  

Reference:         ESB-2020.3229
                   ESB-2019.4522

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2021/08/msg00025.html

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Debian LTS Advisory DLA-2748-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
August 23, 2021                               https://wiki.debian.org/LTS
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Package        : tnef
Version        : 1.4.12-1.2+deb9u1
CVE ID         : CVE-2019-18849


An issue has been found in tnef, a tool to unpack MIME application/ms-tnef 
attachments.
Using emails with a crafted winmail.dat application/ms-tnef attachment 
might allow an attacker to change .ssh/authorized_keys.


For Debian 9 stretch, this problem has been fixed in version
1.4.12-1.2+deb9u1.

We recommend that you upgrade your tnef packages.

For the detailed security status of tnef please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tnef

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