CVE-2019-18409

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
The ruby_parser-legacy (aka legacy) gem 1.0.0 for Ruby allows local privilege escalation because of world-writable files. For example, if the brakeman gem (which has a legacy dependency) 4.5.0 through 4.7.0 is used, a local user can insert malicious code into the ruby_parser-legacy-1.0.0/lib/ruby_parser/legacy/ruby_parser.rb file.
Overview
  • CVE ID
  • CVE-2019-18409
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-10-24T14:15:11
  • Last Modified Date
  • 2019-10-30T16:55:48
Weakness Enumerations
CWE URL
CWE-732 http://cwe.mitre.org/data/definitions/732.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:zenspider:ruby_parser-legacy:1.0.0:*:*:*:*:ruby:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/zenspider/ruby_parser-legacy/issues/1 Exploit Issue Tracking Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-18409
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18409
History
Created Old Value New Value Data Type Notes
2022-05-10 17:00:34 Added to TrackCVE
2022-12-04 04:57:59 2019-10-24T14:15Z 2019-10-24T14:15:11 CVE Published Date updated
2022-12-04 04:57:59 2019-10-30T16:55:48 CVE Modified Date updated
2022-12-04 04:57:59 Analyzed Vulnerability Status updated