USN-4055-1: flightcrew vulnerabilities

Releases

• Ubuntu 19.04
• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• flightcrew - C++ epub validator and plugin for Sigil

Details

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

• flightcrew - 0.7.2+dfsg-10ubuntu0.1
• libflightcrew0v5 - 0.7.2+dfsg-10ubuntu0.1

Ubuntu 16.04

• 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.

References

• CVE-2019-13032
• CVE-2019-13241
• CVE-2019-13453

Related notices

• USN-4057-1: libzipios++0v5, libzipios++-dev, zipios++, libzipios++-doc