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AUSCERT External Security Bulletin Redistribution
USN-4085-1: Sigil vulnerability
2 August 2019
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Create Arbitrary Files -- Remote with User Interaction
CVE Names: CVE-2019-14452
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
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USN-4085-1: Sigil vulnerability
1 August 2019
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
Sigil could be made to overwrite files.
o 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
The problem can be corrected by updating your system to the following package
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://
In general, a standard system update will make all the necessary changes.
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