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Excessive privileges - Access Mode

Description​

The system files or directories have an access mode too permissive

Impact​

  • Read, write or execute files
  • Create potentially harmful files

Recommendation​

System files and directories must be restricted by a custom permission mask, for example an access mode 0600

Threat​

Anonymous attacker with local access to the machine

Expected Remediation Time​

⌚ 15 minutes.

Score​

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

Base​

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

Temporal​

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

Result​

  • Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
  • Score:
    • Base: 5.9
    • Temporal: 5.3
  • Severity:
    • Base: Medium
    • Temporal: Medium

Code Examples​

Compliant code​

There is a secure access mode configuration

Name:            task-pv-volume
Labels:          type=local
StorageClass:    standard
Status:          Terminating
Claim:
Reclaim Policy:  Delete
Access Modes:    0600
Capacity:        1Gi
Message:
Source:
  Type:          HostPath
  Path:          /tmp/data
  HostPathType:
Events:            <none>

Non compliant code​

The access modes are too permissive

Name:            task-pv-volume
Labels:          type=local
StorageClass:    standard
Status:          Terminating
Claim:
Reclaim Policy:  Delete
Access Modes:    *
Capacity:        1Gi
Message:
Source:
  Type:          HostPath
  Path:          /tmp/data
  HostPathType:
Events:            <none>

Requirements​

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