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CVE-2019-13032

Date: June 28, 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.

Language: C++

Severity Score

Related Resources (7)

https://salvatoresecurity.com/fun-with-fuzzers-or-how-i-discovered-three-vulnerabilities-part-1-of-3/
https://github.com/Sigil-Ebook/flightcrew/issues/53
https://usn.ubuntu.com/4055-1/
https://security-tracker.debian.org/tracker/CVE-2019-13032
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-13032
https://nvd.nist.gov/vuln/detail/CVE-2019-13032
https://www.mend.io/vulnerability-database/CVE-2019-13032

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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