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 maturity: 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 maturity: 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
- 095.Define users with privileges
- 096.Set user's required privileges
- 186.Use the principle of least privilege
Fixes
Search for vulnerabilities in your apps for free with Fluid Attacks' automated security testing! Start your 21-day free trial and discover the benefits of the Continuous Hacking Essential plan. If you prefer the Advanced plan, which includes the expertise of Fluid Attacks' hacking team, fill out this contact form.