Log injection

Description

The system logs entries that contain input from untrusted sources without properly validating, sanitizing or escaping their content.

Impact

Inject code or fake inputs in the systems log, compromising the integrity of logs, or in the worst case, the system of who is viewing the logs.

Recommendation

Sanitize inputs before storing them in the log.

Threat

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

Temporal

• Exploit code madurity: P
• Remediation level: X
• Report confidence: X

Result

• Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:X
• Score:
  • Base: 3.7
  • Temporal: 3.5
• Severity:
  • Base: Low
  • Temporal: Low

Requirements

• 080.Prevent log modification
• 173.Discard unsafe inputs

Fixes

• Elixir
• Scala
• Python
• Ruby
• Go
• Dart
• Swift
• Java
• C-Sharp
• PHP
• TypeScript

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