Vulnerability Details : CVE-2019-13032
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-13032
- cpe:2.3:a:flightcrew_project:flightcrew:*:*:*:*:*:sigil:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-13032
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-13032
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2019-13032
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-13032
-
https://salvatoresecurity.com/fun-with-fuzzers-or-how-i-discovered-three-vulnerabilities-part-1-of-3/
Fun with Fuzzers: How I Discovered Three Vulnerabilities (Part 1 of 3) – Mike Salvatore's Blog
-
https://usn.ubuntu.com/4055-1/
USN-4055-1: flightcrew vulnerabilities | Ubuntu security notices
-
https://github.com/Sigil-Ebook/flightcrew/issues/53
Null Pointer Dereference · Issue #53 · Sigil-Ebook/flightcrew · GitHubIssue Tracking;Third Party Advisory
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