150 lines
5.7 KiB
Lua
150 lines
5.7 KiB
Lua
description = [[
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Spring Framework 5.2.x / 5.3.x CVE-2022-22965 Remote Code Execution Vulnerability
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This script looks the existence of CVE-2022-22965 Spring Framework 5.2.x / 5.3.x RCE
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uses a payload "/?class.module.classLoader.definedPackages%5B0%5D=0" through a GET request
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looking (400) code as response (NON INTRUSIVE)
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Inspired by:
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@Twitter thread
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https://twitter.com/RandoriAttack/status/1509298490106593283
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@ZAP Scan Rule
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https://www.zaproxy.org/blog/2022-04-04-spring4shell-detection-with-zap/
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Manual inspection:
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# curl -i -s -k -X $'GET'
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-H $'Host: <target>'
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-H $'User-Agent: alex666'
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-H $'Connection: close'
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$'https://<target>/path/foo/?class.module.classLoader.URLs%5B0%5D=0' | grep -i 400
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# curl -i -s -k -X $'GET'
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-H $'Host: <target>'
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-H $'User-Agent: alex666'
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-H $'Connection: close'
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$'https://<target>/path/foo/?class.module.classLoader.definedPackages%5B0%5D=0' | grep -i 400
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References:
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https://github.com/alt3kx/CVE-2022-22965
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22965
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https://www.lunasec.io/docs/blog/spring-rce-vulnerabilities
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https://github.com/BobTheShoplifter/Spring4Shell-POC
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https://spring.io/blog/2022/03/31/spring-framework-rce-early-announcement
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https://www.rapid7.com/blog/post/2022/03/30/spring4shell-zero-day-vulnerability-in-spring-framework
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]]
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---
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-- @usage
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-- nmap -p <port> --script=./CVE-2022-22965.nse [--script-args 'CVE-2022-22965.path=<PATH>,CVE-2022-22965.method=<HTTP METHOD>'] <target>
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-- @args CVE-2022-22965.path URI path to test; must be a valid path that accepts one or more parameters using data binding (default: <code>/</code>).
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-- @args CVE-2022-22965.method HTTP request method to use (default: <code>GET</code>).
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--
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-- @examples:
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-- nmap -p443,8080 --script=./CVE-2022-22965.nse <target> -Pn
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-- nmap -p443,8080 --script=./CVE-2022-22965.nse <target> --script-args 'CVE-2022-22965.path="/path/to/test"' -Pn
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-- nmap -p443,8080 --script=./CVE-2022-22965.nse <target> --script-args 'CVE-2022-22965.path="/path/to/test",CVE-2022-22965.method=POST' -Pn
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-- nmap -p443,8080 --script=./CVE-2022-22965.nse <target> --script-args=CVE-2022-22965.path="/path/foo/download/" -Pn --script-trace | more
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-- nmap -p443,8080 --script=./CVE-2022-22965.nse --script-args=CVE-2022-22965.path="/examples/" -Pn -iL targets.txt
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--
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-- @output
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-- PORT STATE SERVICE
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-- 443/tcp open https
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-- | CVE-2022-22965:
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-- | VULNERABLE:
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-- | Spring Framework 5.2.x 5.3.x RCE
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-- | State: VULNERABLE (Exploitable)
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-- | IDs: CVE:CVE-2022-22965
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-- | Within Spring Core, A Spring MVC or Spring WebFlux application running on JDK 9+ may be vulnerable
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-- | to remote code execution (RCE) via data binding.
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-- | Disclosure date: 2022-03-31
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-- | References:
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-- |_ https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22965
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author = "Alex Hernandez aka alt3kx <alt3kx@protonmail.com>"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"vuln", "exploit"}
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local shortport = require "shortport"
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local http = require "http"
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local stdnse = require "stdnse"
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local string = require "string"
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local vulns = require "vulns"
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portrule = shortport.http
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local S4S1 = "Tomcat"
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local S4S2 = "springframework"
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local S4S3 = "Tomcat"
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local S4S4 = "Tomcat"
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--Payloads:
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--GET checker path2 = "/?class.module.classLoader.DefaultAssertionStatus=nosense"
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--GET checker path1 = "/?class.module.classLoader.URLs%5B0%5D=0"
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local S4S_PAYLOAD = "class.module.classLoader.definedPackages%5B0%5D=0"
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action = function(host, port)
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local vuln = {
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title = "Spring Framework 5.2.x 5.3.x RCE",
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state = vulns.STATE.NOT_VULN,
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IDS = { CVE = 'CVE-2022-22965' },
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description = [[
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Within Spring Core, A Spring MVC or Spring WebFlux application running on JDK 9+ may be vulnerable
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to remote code execution (RCE) via data binding.]],
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references = {
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'https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22965'
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},
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dates = {
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disclosure = {year = '2022', month = '03', day = '31'},
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},
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}
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local report = vulns.Report:new(SCRIPT_NAME, host, port)
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local method = string.upper(stdnse.get_script_args("CVE-2022-22965.method") or "GET")
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local path = stdnse.get_script_args("CVE-2022-22965.path") or "/"
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local options = {header={["Content-Type"]="application/x-www-form-urlencoded"}}
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if method == "GET" then
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path = path .. "?" .. S4S_PAYLOAD
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else
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options["content"] = S4S_PAYLOAD
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end
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local response = http.generic_request(host, port, method, path, options)
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if response.status and response.body then
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if response.status == 400 and string.find(response.body, S4S1) ~= nil then
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stdnse.debug2("Apache Tomcat Spring Framework 5.2.x / 5.3.x returned 400")
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vuln.state = vulns.STATE.EXPLOIT
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end
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--500 Internal Server Error , Spring Framework 5.2.x / 5.3.x Exceptions
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if response.status == 500 and string.find(response.body, S4S2) ~= nil then
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stdnse.debug2("Apache Tomcat Spring Framework 5.2.x / 5.3.x returned 500")
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vuln.state = vulns.STATE.EXPLOIT
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end
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if response.status == 200 and string.find(response.body, S4S3) ~= nil then
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stdnse.debug2("Apache Tomcat Spring Framework 5.2.x / 5.3.x returned 200")
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vuln.state = vulns.STATE.NOT_VULN
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end
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if response.status == 404 and string.find(response.body, S4S4) ~= nil then
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stdnse.debug2("Apache Tomcat Spring Framework 5.2.x / 5.3.x returned 404")
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vuln.state = vulns.STATE.NOT_VULN
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end
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else
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stdnse.debug2("Apache Tomcat Spring Framework 5.2.x / 5.3.x returned unknow response.")
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vuln.state = vulns.STATE.UNKNOWN
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end
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return report:make_output (vuln)
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end
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