CVE-2019-16201

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.
Overview
  • CVE ID
  • CVE-2019-16201
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-11-26T18:15:15
  • Last Modified Date
  • 2023-04-30T23:15:44
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1 OR 2.4.0 2.4.7
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1 OR 2.5.0 2.5.6
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1 OR 2.6.0 2.6.4
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
https://hackerone.com/reports/661722 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
https://seclists.org/bugtraq/2019/Dec/31
https://seclists.org/bugtraq/2019/Dec/32
https://security.gentoo.org/glsa/202003-06
https://www.debian.org/security/2019/dsa-4587
https://www.oracle.com/security-alerts/cpujan2020.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-16201
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16201
History
Created Old Value New Value Data Type Notes
2022-05-10 17:20:29 Added to TrackCVE
2022-12-04 07:07:10 2019-11-26T18:15Z 2019-11-26T18:15:15 CVE Published Date updated
2022-12-04 07:07:10 2020-08-16T15:15:12 CVE Modified Date updated
2022-12-04 07:07:10 Modified Vulnerability Status updated
2023-04-30 23:16:55 2023-04-30T23:15:44 CVE Modified Date updated
2023-04-30 23:16:56 References updated