PoC:
https://github.com/Y4er/CVE-2020-2883/blob/master/CVE_2020_2883.java
Demo
調用棧：
exec:485, Runtime (java.lang)
invoke0:-1, NativeMethodAccessorImpl (sun.reflect)
invoke:62, NativeMethodAccessorImpl (sun.reflect)
invoke:43, DelegatingMethodAccessorImpl (sun.reflect)
invoke:498, Method (java.lang.reflect)
extract:109, ReflectionExtractor (com.tangosol.util.extractor)
extract:81, ChainedExtractor (com.tangosol.util.extractor)
compare:61, ExtractorComparator (com.tangosol.util.comparator)
siftDownUsingComparator:722, PriorityQueue (java.util)
siftDown:688, PriorityQueue (java.util)
heapify:737, PriorityQueue (java.util)
readObject:797, PriorityQueue (java.util)
invoke0:-1, NativeMethodAccessorImpl (sun.reflect)
invoke:62, NativeMethodAccessorImpl (sun.reflect)
invoke:43, DelegatingMethodAccessorImpl (sun.reflect)
invoke:498, Method (java.lang.reflect)
invokeReadObject:1170, ObjectStreamClass (java.io)
readSerialData:2178, ObjectInputStream (java.io)
readOrdinaryObject:2069, ObjectInputStream (java.io)
readObject0:1573, ObjectInputStream (java.io)
readObject:431, ObjectInputStream (java.io)
readObject:67, InboundMsgAbbrev (weblogic.rjvm)
read:39, InboundMsgAbbrev (weblogic.rjvm)
readMsgAbbrevs:287, MsgAbbrevJVMConnection (weblogic.rjvm)
init:212, MsgAbbrevInputStream (weblogic.rjvm)
dispatch:507, MsgAbbrevJVMConnection (weblogic.rjvm)
dispatch:489, MuxableSocketT3 (weblogic.rjvm.t3)
dispatch:359, BaseAbstractMuxableSocket (weblogic.socket)
readReadySocketOnce:970, SocketMuxer (weblogic.socket)
readReadySocket:907, SocketMuxer (weblogic.socket)
process:495, NIOSocketMuxer (weblogic.socket)
processSockets:461, NIOSocketMuxer (weblogic.socket)
run:30, SocketReaderRequest (weblogic.socket)
execute:43, SocketReaderRequest (weblogic.socket)
execute:147, ExecuteThread (weblogic.kernel)
run:119, ExecuteThread (weblogic.kernel)
weblogic日誌的報錯信息:
