NULL Pointer Dereference Affecting flightcrew package, versions <0.7.2+dfsg-13+deb10u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN10-FLIGHTCREW-451237
- published29 Jun 2019
- disclosed28 Jun 2019
Introduced: 28 Jun 2019
CVE-2019-13032 (opens in a new tab)How to fix?
Upgrade Debian:10 flightcrew to version 0.7.2+dfsg-13+deb10u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream flightcrew package and not the flightcrew package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2019-13032
- https://github.com/Sigil-Ebook/flightcrew/issues/53
- https://salvatoresecurity.com/fun-with-fuzzers-or-how-i-discovered-three-vulnerabilities-part-1-of-3/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-13032
- https://usn.ubuntu.com/4055-1/