CVE-2021-39147 (GCVE-0-2021-39147)

Vulnerability from cvelistv5 – Published: 2021-08-23 18:05 – Updated: 2024-08-04 01:58
VLAI
Title
XStream is vulnerable to an Arbitrary Code Execution attack
Summary
XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
x-stream xstream Affected: < 1.4.18
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream\u0027s security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.\"}, {\"lang\": \"es\", \"value\": \"XStream es una biblioteca sencilla para serializar objetos a XML y viceversa. En las versiones afectadas, esta vulnerabilidad puede permitir a un atacante remoto cargar y ejecutar c\\u00f3digo arbitrario desde un host remoto s\\u00f3lo al manipular el flujo de entrada procesado. No est\\u00e1 afectado ning\\u00fan usuario que haya seguido la recomendaci\\u00f3n de configurar el framework de seguridad de XStream con una lista blanca limitada a los tipos m\\u00ednimos necesarios. XStream versi\\u00f3n 1.4.18 ya no usa una lista negra por defecto, ya que no puede ser asegurada para fines generales.\"}]",
      "id": "CVE-2021-39147",
      "lastModified": "2024-11-21T06:18:42.353",
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  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.