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Remote command execution

Description​

The system builds OS commands using inputs that can be manipulated externally, it does not correctly neutralize special elements that could modify the OS command.

Impact​

Execute unauthorized code or commands.

Recommendation​

  • If at all possible, use standard library calls rather than external processes to recreate the desired functionality.
  • Keep as much data as possible used to generate command outside of external control.
  • Properly escape the arguments used to generate the command and avoid special characters.

Threat​

Authenticated attacker from the Internet.

Expected Remediation Time​

⌚ 30 minutes.

Score​

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

Base​

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

Temporal​

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

Result​

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:X
  • Score:
    • Base: 10.0
    • Temporal: 10.0
  • Severity:
    • Base: Critical
    • Temporal: Critical

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

Threat 4.0​

  • Exploit maturity: X

Result 4.0​

  • Vector string: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X
  • Score:
    • CVSS-BT: 9.3
  • Severity:
    • CVSS-BT: Critical

Requirements​

Fixes​

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