CVE-2019-13032
Publication date 28 June 2019
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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 | ||
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 |
References
Related Ubuntu Security Notices (USN)
- USN-4055-1
- flightcrew vulnerabilities
- 15 July 2019