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CVE-2019-15845 (GCVE-0-2019-15845)

Vulnerability from cvelistv5 – Published: 2019-11-26 16:45 – Updated: 2024-08-05 01:03
VLAI
Summary
Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 mishandles path checking within File.fnmatch functions.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • n/a
Assigner
References
URL Tags
https://hackerone.com/reports/449617 x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4201-1/ vendor-advisoryx_refsource_UBUNTU
https://seclists.org/bugtraq/2019/Dec/31 mailing-listx_refsource_BUGTRAQ
https://seclists.org/bugtraq/2019/Dec/32 mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4587 vendor-advisoryx_refsource_DEBIAN
https://www.oracle.com/security-alerts/cpujan2020.html x_refsource_MISC
https://security.gentoo.org/glsa/202003-06 vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
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Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://seclists.org/bugtraq/2019/Dec/31\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://seclists.org/bugtraq/2019/Dec/32\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202003-06\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4201-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2019/dsa-4587\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujan2020.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party 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Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202003-06\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4201-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2019/dsa-4587\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujan2020.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:26:20+00:00",
      "cve": "CVE-2019-15845",
      "id": "CVE-2019-15845",
      "initial_release_date": "2019-10-01T00:00:00+00:00",
      "product_status:fixed": "767",
      "product_status:known_affected": "49",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch?",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-15845.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-03T00:53:42Z",
      "cve": "CVE-2019-15845",
      "id": "CVE-2019-15845",
      "initial_release_date": "2023-02-15T04:08:27Z",
      "product_status:known_affected": "322",
      "product_status:known_not_affected": "60",
      "product_status:recommended": "479",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-15845",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-15845.json",
      "version": "39"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.