sigil: Create Arbitrary Files -- Remote with User Interaction

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2895
                      USN-4085-1: Sigil vulnerability
                               2 August 2019

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

Product:           sigil
Publisher:         Ubuntu
Operating System:  Ubuntu
                   Linux variants
                   OS X
                   Windows
Impact/Access:     Create Arbitrary Files -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-14452  

Original Bulletin: 
   https://usn.ubuntu.com/4085-1/

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

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USN-4085-1: Sigil vulnerability
1 August 2019

Sigil vulnerability
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

Sigil could be made to overwrite files.

Software Description

  o sigil - multi-platform ebook editor

Details

Mike Salvatore discovered that Sigil mishandled certain malformed EPUB files.
An attacker could use this vulnerability to write arbitrary files to the
filesystem.

Update instructions

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

Ubuntu 19.04
    sigil - 0.9.13+dfsg-1ubuntu0.1
    sigil-data - 0.9.13+dfsg-1ubuntu0.1
Ubuntu 18.04 LTS
    sigil - 0.9.9+dfsg-1ubuntu0.1~esm1
    sigil-data - 0.9.9+dfsg-1ubuntu0.1~esm1
Ubuntu 16.04 LTS
    sigil - 0.9.5+dfsg-0ubuntu1+esm1
    sigil-data - 0.9.5+dfsg-0ubuntu1+esm1

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-2019-14452

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