tnishiox/cve-2023-4813

GitHubRepository PoC

PoC files

3 files

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GitHub

Docker lab environments

1
GitHub

Repository root

Created Vuln labCVE-2023-4813Dockerfile

1 Dockerfile

Analysisdeepseek-v4-pro:cloud ·

Environment assessment

A single Dockerfile builds an AlmaLinux 8.8-minimal container that modifies nsswitch.conf and runs a binary named cve-2023-4813 against a target host.

Dockerfile:1-18

Lab assessment

Vulnerability lab

The repository name, README, and Dockerfile all reference CVE-2023-4813, and the container executes a binary with that name, consistent with a vulnerability reproduction or exploit exercise.

README.md:1Dockerfile:1-18
Lab shapeDockerfile
ServicesUnknown
Compose manifests0
Dockerfiles1
Evidence & reasoningComponents · CVE assessment · exercise context · review boundaries
Components

Services and files described by the evidence

almalinux:8.8-minimal base image

operating system base

Provides the minimal AlmaLinux 8.8 environment in which the exercise runs.

Dockerfile:2

nsswitch.conf modification

vulnerability precondition

Changes the hosts line in /etc/nsswitch.conf to prioritize DNS with a continue-on-success action before files, likely setting up the vulnerable condition for CVE-2023-4813.

Dockerfile:5

cve-2023-4813 binary

exploit or proof-of-concept

A binary copied into the container and executed with arguments 'example.org 10'. Its behavior is uninspected; it is named after the target CVE.

Dockerfile:8Dockerfile:11Dockerfile:14
CVE assessment

How the supplied evidence relates each vulnerability

CVE-2023-4813

Insufficient evidence

The packet associates CVE-2023-4813 via repository name, README, and binary name, but provides no description of the vulnerability, no exploit code, and no runtime behavior; the binary is uninspected.

README.md:1Dockerfile:8
Exercise context

Requirements and sequence described by the evidence

Prerequisites

  • The container must be built with the local cve-2023-4813 binary present in the build context.Dockerfile:8
  • The nsswitch.conf modification must be applied to set up the vulnerable hosts resolution order.Dockerfile:5

Evidence-described exercise path

  1. Build the Docker image from the Dockerfile, which modifies nsswitch.conf and copies the cve-2023-4813 binary.Dockerfile:1-18
  2. Run the container, which executes the cve-2023-4813 binary with arguments 'example.org 10'.Dockerfile:14
Safety-review evidence

Behaviors behind the stored safety assessment

Insufficient evidence

The binary cve-2023-4813 is uninspected; its runtime behavior, network targets, and potential side effects are unknown. No evidence of harm or safety can be determined.

Dockerfile:8Dockerfile:14
Review boundaries

What the analysis did not establish

  • The cve-2023-4813 binary is uninspected; its behavior, network connections, and potential host/external impact are unknown.
  • No runtime output, exploit description, or vulnerability details are provided.
  • The Dockerfile does not expose ports, mount volumes, or use privileged mode, but the binary's actions cannot be assessed.
Model interpretation

This review is limited to the supplied lab evidence packet. It does not assert that the environment runs, reproduces a vulnerability, or is safe to execute. Contract: eip-docker-lab-analysis-v1.

Linked vulnerabilities

1