Eventum <3.4.0 - Open Redirect

mediumseverity

6.1CVSS score

2.2%likelihood of exploitation, next 30 days

83%of all CVEs are less likely

Readycheck to confirm it

Eventum before 3.4.0 contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.

Impact

An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the theft of sensitive information.

Fix

Upgrade to Eventum version 3.4.0 or later to fix the open redirect vulnerability.

How to confirm it

Send: GET {{BaseURL}}/select_project.php?url=http://interact.sh ; GET {{BaseURL}}/clock_status.php?current_page=http://interact.sh
Positive when: matches in header /(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*…/

Run it with nuclei: nuclei -id CVE-2018-16761 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2018-16761

info:
  name: Eventum <3.4.0 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: |
    Eventum before 3.4.0 contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the theft of sensitive information.
  remediation: |
    Upgrade to Eventum version 3.4.0 or later to fix the open redirect vulnerability.
  reference:
    - https://www.invicti.com/web-applications-advisories/ns-18-021-open-redirection-vulnerabilities-in-eventum/
    - https://github.com/eventum/eventum/releases/tag/v3.4.0
    - https://nvd.nist.gov/vuln/detail/CVE-2018-16761
    - 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-2018-16761
    cwe-id: CWE-601
    epss-score: 0.02201
    epss-percentile: 0.82674
    cpe: cpe:2.3:a:eventum_project:eventum:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: eventum_project
    product: eventum
    shodan-query: http.favicon.hash:305412257
    fofa-query: icon_hash=305412257
  tags: cve,cve2018,redirect,eventum,oss,eventum_project,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/select_project.php?url=http://interact.sh'
      - '{{BaseURL}}/clock_status.php?current_page=http://interact.sh'

    stop-at-first-match: true
    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1

References

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