ESB-2019.0006 - [Win][UNIX/Linux][Debian] openjpeg2: Denial of service - Remote with user interaction 2019-01-02

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0006
                  [DLA 1614-1] openjpeg2 security update
                              2 January 2019

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

Product:           openjpeg2
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-14423 CVE-2018-6616 

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2018/12/msg00013.html

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running openjpeg2 check for an updated version of the software for 
         their operating system.

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Package        : openjpeg2
Version        : 2.1.0-2+deb8u6
CVE ID         : CVE-2018-6616 CVE-2018-14423
Debian Bug     : 904873, 889683

Multiple vulnerabilities have been discovered in openjpeg2, the
open-source JPEG 2000 codec.

CVE-2018-6616

    Excessive iteration in the opj_t1_encode_cblks function (openjp2/t1.c).
    Remote attackers could leverage this vulnerability to cause a denial
    of service via a crafted bmp file.

CVE-2018-14423

    Division-by-zero vulnerabilities in the functions pi_next_pcrl,
    pi_next_cprl, and pi_next_rpcl in (lib/openjp3d/pi.c). Remote attackers
    could leverage this vulnerability to cause a denial of service
    (application crash).

For Debian 8 "Jessie", these problems have been fixed in version
2.1.0-2+deb8u6.

We recommend that you upgrade your openjpeg2 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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