Vulnerability Details : CVE-2019-13241
FlightCrew v0.9.2 and older are vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in a ZIP archive entry that is mishandled during extraction.
Vulnerability category: Directory traversal
Products affected by CVE-2019-13241
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:a:flightcrew_project:flightcrew:*:*:*:*:*:sigil:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-13241
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-13241
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2019-13241
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-13241
-
https://github.com/Sigil-Ebook/flightcrew/issues/52
Zip Slip Vulnerability in FlightCrew · Issue #52 · Sigil-Ebook/flightcrew · GitHubExploit;Third Party Advisory
-
https://salvatoresecurity.com/fun-with-fuzzers-how-i-discovered-three-vulnerabilities-part-3-of-3/
Fun with Fuzzers: How I Discovered Three Vulnerabilities (Part 3 of 3) – Mike Salvatore's BlogExploit;Third Party Advisory
-
https://usn.ubuntu.com/4055-1/
USN-4055-1: flightcrew vulnerabilities | Ubuntu security noticesThird Party Advisory
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