3

Spring Data Rest服务器PATCH请求远程代码执行漏洞分析

 2 years ago
source link: https://yaofeifly.github.io/2017/10/11/Spring-Data-Rest/
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3. 漏洞分析

1.根据官方公告，结合GitHub 的commit，猜测漏洞出在path参数值的处理上。尝试提交非法的path参数值，查看异常堆栈信息：

at org.springframework.expression.spel.ast.MethodReference$MethodValueRef.setValue(MethodReference.java:355) ~[spring-expression-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.expression.spel.ast.CompoundExpression.setValue(CompoundExpression.java:95) ~[spring-expression-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.expression.spel.standard.SpelExpression.setValue(SpelExpression.java:438) ~[spring-expression-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.data.rest.webmvc.json.patch.PatchOperation.setValueOnTarget(PatchOperation.java:167) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.json.patch.ReplaceOperation.perform(ReplaceOperation.java:41) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.json.patch.Patch.apply(Patch.java:64) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.config.JsonPatchHandler.applyPatch(JsonPatchHandler.java:91) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.config.JsonPatchHandler.apply(JsonPatchHandler.java:83) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.config.PersistentEntityResourceHandlerMethodArgumentResolver.readPatch(PersistentEntityResourceHandlerMethodArgumentResolver.java:206) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.config.PersistentEntityResourceHandlerMethodArgumentResolver.read(PersistentEntityResourceHandlerMethodArgumentResolver.java:184) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.data.rest.webmvc.config.PersistentEntityResourceHandlerMethodArgumentResolver.resolveArgument(PersistentEntityResourceHandlerMethodArgumentResolver.java:141) ~[spring-data-rest-webmvc-2.6.6.RELEASE.jar:na]
    at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:121) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:158) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:128) ~[spring-web-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.10.RELEASE.jar:4.3.10.RELEASE]    //省略部分堆栈信息

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