CVE-2019-13032
Published: 28 June 2019
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
flightcrew Launchpad, Ubuntu, Debian |
bionic |
Released
(0.7.2+dfsg-10ubuntu0.1)
|
| cosmic |
Released
(0.7.2+dfsg-12ubuntu0.1)
|
|
| disco |
Released
(0.7.2+dfsg-13ubuntu0.19.04.1)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needed
|
|
| xenial |
Released
(0.7.2+dfsg-6ubuntu0.1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| 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 |