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Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.1 and 12.2.1.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. While the vulnerability is in Oracle WebLogic Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server. CVSS 3.0 Base Score 8.6 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H). NOTE: the previous information is from the July 2017 CPU. Oracle has not commented on third-party claims that this issue exists in the migrate functionality in the WebLogic/cluster/singleton/ServerMigrationCoordinator class and allows remote attackers to shutdown the server via a crafted T3 request.

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Oracle WebLogic Server 安全漏洞

Oracle Fusion Middleware（Oracle融合中间件）是美国甲骨文（Oracle）公司的一套面向企业和云环境的业务创新平台。该平台提供了中间件、软件集合等功能。Oracle WebLogic Server是其中的一个适用于云环境和传统环境的应用服务器组件。 Oracle Fusion Middleware中的Oracle WebLogic Server组件的Core Components子组件存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务（服务器频繁崩溃和挂起），影响数据的可用性。以

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