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CVE-2021-21342

Estado: AnalizadaCrítica (9.1)—

XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability where the processed stream at unmarshalling time contains type information to recreate the formerly written objects. XStream creates therefore new instances based on these type information. An attacker can manipulate the processed input stream and replace or inject objects, that result in a server-side forgery request. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (15)

Apache — ActivemqApache — JmeterDebian — Debian LinuxFedoraproject — FedoraNetapp — Oncommand InsightOracle — Banking Enterprise Default ManagementOracle — Banking PlatformOracle — Banking Virtual Account ManagementOracle — Business Activity MonitoringOracle — Communications BRM - Elastic Charging EngineOracle — Communications Policy ManagementOracle — Communications Unified Inventory ManagementOracle — Retail Xstore Point OF ServiceOracle — Webcenter PortalXstream — Xstream

CWE

Referencias

JSON original (NVD)

Mostrar
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      "value": "XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability where the processed stream at unmarshalling time contains type information to recreate the formerly written objects. XStream creates therefore new instances based on these type information. An attacker can manipulate the processed input stream and replace or inject objects, that result in a server-side forgery request. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16."
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}