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OS Command Injection

Description

The application allows the execution of functions or methods which execute commands in the system with non-sanitized parameters. This action would allow an attacker to inject malicious commands in the server to highly increase the attack vectors by escalating privileges, obtaining or modifying sensitive information stored in the machine.

Impact

Inject malicious commands that will be executed in the server.

Recommendation

  • If possible, do not use functions that execute commands in the system with inputs controlled by the user.
  • Validate all input parameters using regular expressions or whitelists before passing the parameters to critical functions.

Threat

Authenticated local attacker with access to the machine.

Expected Remediation Time

⌚ minutes.

Score

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

Base

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

Temporal

  • Exploit code madurity: P
  • Remediation level: U
  • Report confidence: C

Result

  • Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:C
  • Score:
    • Base: 5.3
    • Temporal: 5.0
  • Severity:
    • Base: Medium
    • Temporal: Medium

Requirements

Fixes

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