Authentication mechanism absence or evasion - Redirect
Description
An attacker can gain access to the application by knowing a valid username by changing the redirect with which the server responds.
Impact
- Bypass the authentication process by changing the page redirection and thus gain access to the applications functionality.
- Know a valid user.
- Change the redirect and access the application.
Recommendation
Put in place for every resource with business-critical functionality a strong authentication process and ensure that every user attempting to access it is logged in.
Threat
Anonymous attacker from the Internet.
Expected Remediation Time
⌚ minutes.
Score
Default score using CVSS 3.1. It may change depending on the context of the src.
Base
- Attack vector: A
- Attack complexity: L
- Privileges required: N
- User interaction: N
- Scope: U
- Confidentiality: H
- Integrity: H
- Availability: N
Temporal
- Exploit code madurity: X
- Remediation level: X
- Report confidence: X
Result
- Vector string: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:X/RL:X/RC:X
- Score:
- Base: 8.1
- Temporal: 8.1
- Severity:
- Base: High
- Temporal: High
Requirements
- 227.Display access notification
- 228.Authenticate using standard protocols
- 229.Request access credentials
- 231.Implement a biometric verification component
- 235.Define credential interface
- 264.Request authentication
- 323.Exclude unverifiable files
Fixes
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