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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2662
                  USN-4063-1: LibreOffice vulnerabilities
                               18 July 2019

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

Product:           LibreOffice
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Reduced Security                -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-9849 CVE-2019-9848 

Reference:         ESB-2019.2650

Original Bulletin: 
   https://usn.ubuntu.com/4063-1/

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TITLE: USN-4063-1: LibreOffice vulnerabilities
URL:   https://usn.ubuntu.com/4063-1/

=== ESB ===vVv=== SCRAPED BULLETIN BODY ===vVv=== ESB ===


USN-4063-1: LibreOffice vulnerabilities
17 July 2019

libreoffice vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 19.04
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS

Summary

Several security issues were fixed in LibreOffice.

Software Description

  o libreoffice - Office productivity suite

Details

Nils Emmerich discovered that LibreOffice incorrectly handled LibreLogo
scripts. If a user were tricked into opening a specially crafted document, a
remote attacker could cause LibreOffice to execute arbitrary code.
(CVE-2019-9848)

Matei "Mal" Badanoiu discovered that LibreOffice incorrectly handled stealth
mode. Contrary to expectations, bullet graphics could be retrieved from remote
locations when running in stealth mode. (CVE-2019-9849)

Update instructions

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

Ubuntu 19.04
    libreoffice-core - 1:6.2.5-0ubuntu0.19.04.1
Ubuntu 18.04 LTS
    libreoffice-core - 1:6.0.7-0ubuntu0.18.04.8
Ubuntu 16.04 LTS
    libreoffice-core - 1:5.1.6~rc2-0ubuntu1~xenial8

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

After a standard system update you need to restart LibreOffice to make all the
necessary changes.

References

  o CVE-2019-9848
  o CVE-2019-9849

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