CVE-2019-14452

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-31 · updated 2026-06-17
Weakness: CWE-22

Description

Sigil before 0.9.16 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in a ZIP archive entry that is mishandled during extraction.

Affected products

Canonical Ubuntu Linux: 16.04, 18.04, 19.04
Flightcrew Project Flightcrew: from 0.9.2
Sigil-Ebook Sigil: before 0.9.16 — fixed in 0.9.16

How to fix

Upgrade to a fixed version: Sigil-Ebook Sigil 0.9.16. Check the vendor advisory for mitigations.

References

https://github.com/Sigil-Ebook/Sigil/commit/04e2f280cc4a0766bedcc7b9eb56449ceecc2ad4
https://github.com/Sigil-Ebook/Sigil/commit/0979ba8d10c96ebca330715bfd4494ea0e019a8f
https://github.com/Sigil-Ebook/Sigil/commit/369eebe936e4a8c83cc54662a3412ce8bef189e4
https://github.com/Sigil-Ebook/Sigil/compare/ea7f27d...5b867e5
https://github.com/Sigil-Ebook/Sigil/releases/tag/0.9.16
https://github.com/Sigil-Ebook/flightcrew/issues/52#issuecomment-505967936
https://github.com/Sigil-Ebook/flightcrew/issues/52#issuecomment-505997355
https://salvatoresecurity.com/zip-slip-in-sigil-cve-2019-14452/
https://usn.ubuntu.com/4085-1/
https://github.com/Sigil-Ebook/Sigil/commit/04e2f280cc4a0766bedcc7b9eb56449ceecc2ad4
https://github.com/Sigil-Ebook/Sigil/commit/0979ba8d10c96ebca330715bfd4494ea0e019a8f
https://github.com/Sigil-Ebook/Sigil/commit/369eebe936e4a8c83cc54662a3412ce8bef189e4

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