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Excessive Privileges - Docker

Description

The containers executed in the application do not properly restrict the privileges of the users, executing tasks with root user instead of a custom user.

Impact

Gain total control of the container.

Recommendation

  • Restrict the privileges of the user that execute instructions inside the container.
  • Avoid the use of the root user as default user.

Threat

Authenticated attacker with local access to the container.

Expected Remediation Time

⌚ 15 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: U
  • Remediation level: O
  • 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:U/RL:O/RC:C
  • Score:
    • Base: 5.3
    • Temporal: 4.6
  • 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: L
  • Attack complexity: L
  • Attack Requirements: N
  • Privileges required: L
  • 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 madurity: U

Result 4.0

  • Vector string: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U
  • Score:
    • CVSS-BT: 1.1
  • Severity:
    • CVSS-BT: Low

Details

https://docs.docker.com/engine/reference/builder/#user

Requirements

Fixes

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