Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Title flightcrew vulnerabilities
Name USN-4055-1 First vendor Publication 2019-07-15
Vendor Ubuntu Last vendor Modification 2019-07-15
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS


Several security issues were fixed in FlightCrew.

Software Description: - flightcrew: C++ epub validator and plugin for Sigil


Mike Salvatore discovered that FlightCrew improperly handled certain malformed EPUB files. An attacker could potentially use this vulnerability to cause a denial of service. (CVE-2019-13032)

Mike Salvatore discovered that FlightCrew mishandled certain malformed EPUB files. An attacker could use this vulnerability to write arbitrary files to the filesystem. (CVE-2019-13241)

Mike Salvatore discovered that the version of Zipios included in FlightCrew mishandled certain malformed ZIP files. An attacker could use this vulnerability to cause a denial of service or consume system resources. (CVE-2019-13453)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
flightcrew 0.7.2+dfsg-13ubuntu0.19.04.1
libflightcrew0v5 0.7.2+dfsg-13ubuntu0.19.04.1

Ubuntu 18.10:
flightcrew 0.7.2+dfsg-12ubuntu0.1
libflightcrew0v5 0.7.2+dfsg-12ubuntu0.1

Ubuntu 18.04 LTS:
flightcrew 0.7.2+dfsg-10ubuntu0.1
libflightcrew0v5 0.7.2+dfsg-10ubuntu0.1

Ubuntu 16.04 LTS:
flightcrew 0.7.2+dfsg-6ubuntu0.1
libflightcrew0v5 0.7.2+dfsg-6ubuntu0.1

In general, a standard system update will make all the necessary changes.

CVE-2019-13032, CVE-2019-13241, CVE-2019-13453

Package Information:

Original Source

Url : http://www.ubuntu.com/usn/USN-4055-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-476 NULL Pointer Dereference
50 % CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

Application 1

Alert History

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Date Informations
2019-07-15 17:19:06
  • First insertion