CVE-2018-19830

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
The UBSexToken() function of a smart contract implementation for Business Alliance Financial Circle (BAFC), an tradable Ethereum ERC20 token, allows attackers to change the owner of the contract, because the function is public (by default) and does not check the caller's identity.
Overview
  • CVE ID
  • CVE-2018-19830
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-12-31T16:15:11
  • Last Modified Date
  • 2020-01-14T13:32:18
Weakness Enumerations
CWE URL
CWE-862 http://cwe.mitre.org/data/definitions/862.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:business_alliance_financial_circle_project:business_alliance_financial_circle:-:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • 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:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/SmartContractResearcher/SmartContractSecurity/blob/master/New%20Vulnerabilities%20Allow%20Anyone%20to%20Own%20Certain%20ERC20-Based%20Smart%20Contracts(CVE-2018-19830%2C%20CVE-2018-19831%2C%20CVE-2018-19832%2C%20CVE-2018-19833%2C%20CVE- Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-19830
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19830
History
Created Old Value New Value Data Type Notes
2022-05-10 16:53:50 Added to TrackCVE
2022-12-04 08:49:54 2019-12-31T16:15Z 2019-12-31T16:15:11 CVE Published Date updated
2022-12-04 08:49:54 2020-01-14T13:32:18 CVE Modified Date updated
2022-12-04 08:49:54 Analyzed Vulnerability Status updated