CVE-2021-41817

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.
Overview
  • CVE ID
  • CVE-2021-41817
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-01T05:15:08
  • Last Modified Date
  • 2022-09-10T02:39:08
Weakness Enumerations
CWE URL
NVD-CWE-Other http://cwe.mitre.org/data/definitions/NVD-Other.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ruby-lang:date:*:*:*:*:*:ruby:*:* 1 OR 2.0.1
cpe:2.3:a:ruby-lang:date:*:*:*:*:*:ruby:*:* 1 OR 3.0.0 3.0.2
cpe:2.3:a:ruby-lang:date:*:*:*:*:*:ruby:*:* 1 OR 3.1.0 3.1.2
cpe:2.3:a:ruby-lang:date:3.2.0:*:*:*:*:ruby:*:* 1 OR
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1 OR 2.6.0 2.6.9
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1 OR 2.7.0 2.7.5
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 1 OR 3.0.0 3.0.3
cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
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
https://hackerone.com/reports/1254844 Permissions Required
https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/ Exploit Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-41817
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41817
History
Created Old Value New Value Data Type Notes
2022-05-08 06:06:47 Added to TrackCVE
2022-12-06 05:26:46 2022-01-01T05:15Z 2022-01-01T05:15:08 CVE Published Date updated
2022-12-06 05:26:46 2022-09-10T02:39:08 CVE Modified Date updated
2022-12-06 05:26:46 Analyzed Vulnerability Status updated