ILIAS eLearning <7.16 - 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

ILIAS eLearning before 7.16 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.

Fix

Upgrade to ILIAS eLearning version 7.16 or later to fix the open redirect vulnerability.

How to confirm it

Send: GET {{BaseURL}}/shib_logout.php?action=logout&return=https://oast.me ; GET {{BaseURL}}/ilias/shib_logout.php?action=logout&return=https://oast.me
Positive when: matches in header /(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)?(?:[a-zA-Z0-9\-_\.@]…/

Run it with nuclei: nuclei -id CVE-2022-45917 -u <target>

The full check

id: CVE-2022-45917

info:
  name: ILIAS eLearning <7.16 - Open Redirect
  author: arafatansari
  severity: medium
  description: |
    ILIAS eLearning before 7.16 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.
  remediation: |
    Upgrade to ILIAS eLearning version 7.16 or later to fix the open redirect vulnerability.
  reference:
    - https://packetstormsecurity.com/files/170181/ILIAS-eLearning-7.15-Command-Injection-XSS-LFI-Open-Redirect.html
    - https://seclists.org/fulldisclosure/2022/Dec/7
    - https://sec-consult.com/vulnerability-lab/advisory/multiple-critical-vulnerabilities-in-ilias-elearning-platform/
    - https://github.com/advisories/GHSA-hf6q-rx44-fh6j
    - https://nvd.nist.gov/vuln/detail/CVE-2022-45917
  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-2022-45917
    cwe-id: CWE-601
    epss-score: 0.02126
    epss-percentile: 0.82077
    cpe: cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: ilias
    product: ilias
    shodan-query:
      - http.html:"ILIAS"
      - http.html:"ilias"
    fofa-query: body="ilias"
  tags: cve,cve2022,redirect,packetstorm,seclists,ilias,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/shib_logout.php?action=logout&return=https://oast.me"
      - "{{BaseURL}}/ilias/shib_logout.php?action=logout&return=https://oast.me"

    stop-at-first-match: true
    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)?(?:[a-zA-Z0-9\-_\.@]*)oast\.me\/?(\/|[^.].*)?$'

References

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