CVE-2019-13032

Publication date 28 June 2019

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

An issue was discovered in FlightCrew v0.9.2 and earlier. A NULL pointer dereference occurs in GetRelativePathToNcx() or GetRelativePathsToXhtmlDocuments() when a NULL pointer is passed to xc::XMLUri::isValidURI(). This affects third-party software (not Sigil) that uses FlightCrew as a library.

From the Ubuntu Security Team

Mike Salvatore discovered that FlightCrew improperly handled certain malformed EPUB files. An attacker could potentially use this vulnerability to cause a denial of service.

Status

Package Ubuntu Release Status
flightcrew 19.04 disco
Fixed 0.7.2+dfsg-13ubuntu0.19.04.1
18.10 cosmic
Fixed 0.7.2+dfsg-12ubuntu0.1
18.04 LTS bionic
Fixed 0.7.2+dfsg-10ubuntu0.1
16.04 LTS xenial
Fixed 0.7.2+dfsg-6ubuntu0.1
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H