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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1162
                         libytnef security update
                                10 May 2017

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

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

Product:           libytnef
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-6802 CVE-2017-6801 CVE-2017-6800
                   CVE-2017-6306 CVE-2017-6305 CVE-2017-6304
                   CVE-2017-6303 CVE-2017-6302 CVE-2017-6301
                   CVE-2017-6300 CVE-2017-6299 CVE-2017-6298

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-3846

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

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Debian Security Advisory DSA-3846-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
May 09, 2017                          https://www.debian.org/security/faq
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Package        : libytnef
CVE ID         : CVE-2017-6298 CVE-2017-6299 CVE-2017-6300 CVE-2017-6301 
                 CVE-2017-6302 CVE-2017-6303 CVE-2017-6304 CVE-2017-6305 
                 CVE-2017-6306 CVE-2017-6800 CVE-2017-6801 CVE-2017-6802
Debian Bug     : 

Several issues were discovered in libytnef, a library used to decode
application/ms-tnef e-mail attachments. Multiple heap overflows,
out-of-bound writes and reads, NULL pointer dereferences and infinite
loops could be exploited by tricking a user into opening a maliciously
crafted winmail.dat file.

For the stable distribution (jessie), these problems have been fixed in
version 1.5-6+deb8u1.

For the upcoming stable (stretch) and unstable (sid) distributions,
these problems have been fixed in version 1.9.2-1.

We recommend that you upgrade your libytnef packages.

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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