Operating System:

[Debian]

Published:

02 January 2020

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.0023
                        imagemagick security update
                              2 January 2020

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

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

Product:           imagemagick
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Denial of Service -- Remote with User Interaction
                   Reduced Security  -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-19949 CVE-2019-19948 

Original Bulletin: 
   https://www.debian.org/lts/security/2019/dla-2049

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

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Package        : imagemagick
Version        : 8:6.8.9.9-5+deb8u19
CVE ID         : CVE-2019-19948 CVE-2019-19949
Debian Bug     : 947309 947308

Multiple vulnerabilities have been found in imagemagick, an image processing
toolkit.

CVE-2019-19948

    Heap-buffer-overflow in WriteSGIImage (coders/sgi.c) caused by insufficient
    validation of row and column sizes. This vulnerability might be leveraged by
    remote attackers to cause denial of service or any other unspecified impact
    via crafted image data.

CVE-2019-19949

    Heap-based buffer over-read (off-by-one) in WritePNGImage (coders/png.c)
    caused by missing length check prior pointer dereference. This vulnerability
    might be leveraged by remote attackers to cause denial of service via
    crafted image data.

For Debian 8 "Jessie", these problems have been fixed in version
8:6.8.9.9-5+deb8u19.

We recommend that you upgrade your imagemagick 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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===========================================================================
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