CVE-2019-14452 — Sigil before 0

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-07-31T01:33:44.000Z
• Last modified: 2024-08-05T00:19:41.064Z

09References

• github.com — https://github.com/Sigil-Ebook/flightcrew/issues/52#issuecomment-505967936
• github.com — https://github.com/Sigil-Ebook/flightcrew/issues/52#issuecomment-505997355
• github.com — https://github.com/Sigil-Ebook/Sigil/commit/369eebe936e4a8c83cc54662a3412ce8bef1…
• github.com — https://github.com/Sigil-Ebook/Sigil/commit/04e2f280cc4a0766bedcc7b9eb56449ceecc…
• github.com — https://github.com/Sigil-Ebook/Sigil/commit/0979ba8d10c96ebca330715bfd4494ea0e01…
• github.com — https://github.com/Sigil-Ebook/Sigil/releases/tag/0.9.16
• github.com — https://github.com/Sigil-Ebook/Sigil/compare/ea7f27d...5b867e5
• usn.ubuntu.com — https://usn.ubuntu.com/4085-1/
• salvatoresecurity.com — https://salvatoresecurity.com/zip-slip-in-sigil-cve-2019-14452/