[USN-4085-1] Sigil vulnerability

Mike Salvatore mike.salvatore at canonical.com
Thu Aug 1 14:21:08 UTC 2019

Ubuntu Security Notice USN-4085-1
August 01, 2019

Sigil vulnerability

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

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS


Sigil could be made to overwrite files.

Software Description:
- sigil: multi-platform ebook editor


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

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


Package Information:

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