CVE-2019-14452

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.

Published: 2019-07-31 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-14452 is rated Moderate Risk (60.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.04%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-14452

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 2.69% 3.04% +0.36%
2 2025-12-27 3.04% 2.69% -0.36%
3 2025-11-21 — 3.04% —

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-14452

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-14452

OS Trackers for CVE-2019-14452

vendor priority summary link
debian not yet assigned CVE-2019-14452 not yet assigned priority: Debian including 1 source packages (sigil), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-14452
ubuntu medium CVE-2019-14452 medium priority: Ubuntu including 1 source packages (sigil), 5 status rows across 5 suites (bionic, disco, trusty, upstream, xenial): released 4, DNE 1. https://ubuntu.com/security/CVE-2019-14452

Affected software / configurations for CVE-2019-14452

Vendor Product Version Raw CPE
sigil-ebook sigil < 0.9.16 cpe:2.3:a:sigil-ebook:sigil:*:*:*:*:*:*:*:*
flightcrew_project flightcrew >= 0.9.2 cpe:2.3:a:flightcrew_project:flightcrew:*:*:*:*:*:sigil:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 19.04 cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

References for CVE-2019-14452

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