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CVE-2019-14452

Publication date 30 July 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

From the Ubuntu Security Team

Mike Salvatore discovered that Sigil mishandled certain malformed EPUB files. An attacker could use this vulnerability to write arbitrary files to the filesystem.

Status

Package Ubuntu Release Status
sigil 19.04 disco
Fixed 0.9.13+dfsg-1ubuntu0.1
18.04 LTS bionic
Fixed 0.9.9+dfsg-1ubuntu0.1~esm1
16.04 LTS xenial
Fixed 0.9.5+dfsg-0ubuntu1+esm1
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N