Directory Traversal Affecting sigil package, versions <0.9.9+dfsg-1ubuntu0.1~esm1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-SIGIL-456225
- published1 Aug 2019
- disclosed31 Jul 2019
Introduced: 31 Jul 2019
CVE-2019-14452 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 sigil to version 0.9.9+dfsg-1ubuntu0.1~esm1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream sigil package and not the sigil package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-14452
- https://security-tracker.debian.org/tracker/CVE-2019-14452
- 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/flightcrew/issues/52#issuecomment-505967936
- https://github.com/Sigil-Ebook/flightcrew/issues/52#issuecomment-505997355
- https://github.com/Sigil-Ebook/Sigil/releases/tag/0.9.16
- https://salvatoresecurity.com/zip-slip-in-sigil-cve-2019-14452/
- https://usn.ubuntu.com/4085-1/