CVE-2019-20918

CVSS V2 Medium 6.8 CVSS V3 Medium 6.5
Description
An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.
Overview
  • CVE ID
  • CVE-2019-20918
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-09-11T05:15:12
  • Last Modified Date
  • 2020-09-15T14:33:10
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:* 1 OR 3.0 3.1.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://docs.inspircd.org/security/2019-01/ Vendor Advisory
https://github.com/inspircd/inspircd/commit/7b47de3c194f239c5fea09a0e49696c9af017d51 Patch Third Party Advisory
https://github.com/inspircd/inspircd/commit/bcd65de1ec4bb71591ae417fee649d7ecd37cd57 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-20918
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20918
History
Created Old Value New Value Data Type Notes
2022-05-10 16:24:23 Added to TrackCVE
2022-12-04 22:22:35 2020-09-11T05:15Z 2020-09-11T05:15:12 CVE Published Date updated
2022-12-04 22:22:35 2020-09-15T14:33:10 CVE Modified Date updated
2022-12-04 22:22:35 Analyzed Vulnerability Status updated