Lack of data validation - Emails

Lack of data validation - Emails

Description

The application does not control that server-side emails used to register users do not belong to disposable mailboxes such as yopmail.

Impact

Reset passwords for registered users with disposable mailboxes.

Recommendation

Implement a blacklisting system with disposable mailbox domains or implement federated authentication.

Threat

Anonymous attacker from the Internet using enumerated users.

Expected Remediation Time

⌚ 120 minutes.

Score

Default score using CVSS 3.1. It may change depending on the context of the src.

Base

  • Attack vector: N
  • Attack complexity: H
  • Privileges required: N
  • User interaction: N
  • Scope: U
  • Confidentiality: L
  • Integrity: L
  • Availability: L

Temporal

  • Exploit code maturity: X
  • Remediation level: W
  • Report confidence: X

Result

  • Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:W/RC:X
  • Score:
    • Base: 5.6
    • Temporal: 5.5
  • Severity:
    • Base: Medium
    • Temporal: Medium

Score 4.0

Default score using CVSS 4.0. It may change depending on the context of the src.

Base 4.0

  • Attack vector: N
  • Attack complexity: H
  • Attack Requirements: N
  • Privileges required: N
  • User interaction: N
  • Confidentiality (VC): L
  • Integrity (VI): L
  • Availability (VA): L
  • Confidentiality (SC): N
  • Integrity (SI): N
  • Availability (SA): N

Threat 4.0

  • Exploit maturity: X

Result 4.0

  • Vector string: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
  • Score:
    • CVSS-BT: 6.3
  • Severity:
    • CVSS-BT: Medium

Requirements

Fixes

Free trial message
Free trial
Search for vulnerabilities in your apps for free with Fluid Attacks' automated security testing! Start your 21-day free trial and discover the benefits of the Continuous Hacking Essential plan. If you prefer the Advanced plan, which includes the expertise of Fluid Attacks' hacking team, fill out this contact form.