Exiv2: Denial of Service -- Remote with User Interaction

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.0433
                      USN-4270-1: Exiv2 vulnerability
                              6 February 2020

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

Product:           Exiv2
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-20421  

Original Bulletin: 
   https://usn.ubuntu.com/4270-1/

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running Exiv2 check for an updated version of the software for their
         operating system.

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USN-4270-1: Exiv2 vulnerability
5 February 2020

exiv2 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 19.10
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS

Summary

Exiv2 could be made to crash if it opened a specially crafted image.

Software Description

  o exiv2 - EXIF/IPTC/XMP metadata manipulation tool

Details

It was discovered that Exiv2 incorrectly handled certain images. An attacker
could possibly use this issue to cause a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 19.10
    exiv2 - 0.25-4ubuntu2.2
    libexiv2-14 - 0.25-4ubuntu2.2
Ubuntu 18.04 LTS
    exiv2 - 0.25-3.1ubuntu0.18.04.5
    libexiv2-14 - 0.25-3.1ubuntu0.18.04.5
Ubuntu 16.04 LTS
    exiv2 - 0.25-2.1ubuntu16.04.6
    libexiv2-14 - 0.25-2.1ubuntu16.04.6

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

In general, a standard system update will make all the necessary changes.

References

  o CVE-2019-20421

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