cve-2020-26258
Vulnerability from cvelistv5
Published
2020-12-16 01:05
Modified
2024-08-04 15:56
Severity ?
7.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.15, a Server-Side Forgery Request vulnerability can be activated when unmarshalling. The vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.15. The reported vulnerability does not exist if running Java 15 or higher. No user is affected who followed the recommendation to setup XStream's Security Framework with a whitelist! Anyone relying on XStream's default blacklist can immediately switch to a whilelist for the allowed types to avoid the vulnerability. Users of XStream 1.4.14 or below who still want to use XStream default blacklist can use a workaround described in more detailed in the referenced advisories.
References
security-advisories@github.comhttps://github.com/x-stream/xstream/security/advisories/GHSA-4cch-wxpw-8p28Mitigation, Third Party Advisory
security-advisories@github.comhttps://lists.apache.org/thread.html/r97993e3d78e1f5389b7b172ba9f308440830ce5f051ee62714a0aa34%40%3Ccommits.struts.apache.org%3E
security-advisories@github.comhttps://lists.debian.org/debian-lts-announce/2020/12/msg00042.htmlMailing List, Third Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/
security-advisories@github.comhttps://security.netapp.com/advisory/ntap-20210409-0005/Third Party Advisory
security-advisories@github.comhttps://www.debian.org/security/2021/dsa-4828Third Party Advisory
security-advisories@github.comhttps://x-stream.github.io/CVE-2020-26258.htmlExploit, Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/x-stream/xstream/security/advisories/GHSA-4cch-wxpw-8p28Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r97993e3d78e1f5389b7b172ba9f308440830ce5f051ee62714a0aa34%40%3Ccommits.struts.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/12/msg00042.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210409-0005/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4828Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://x-stream.github.io/CVE-2020-26258.htmlExploit, Mitigation, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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Users of XStream 1.4.14 or below who still want to use XStream default blacklist can use a workaround described in more detailed in the referenced advisories.\"},{\"lang\":\"es\",\"value\":\"XStream es una biblioteca de Java para serializar objetos a XML y viceversa.\u0026#xa0;En XStream versiones anteriores a 1.4.15, puede ser activada una vulnerabilidad de tipo Server-Side Forgery Request al desagrupar.\u0026#xa0;La vulnerabilidad puede permitir a un atacante remoto solicitar datos de recursos internos que no est\u00e1n disponibles p\u00fablicamente solo mediante la manipulaci\u00f3n del flujo de entrada procesado.\u0026#xa0;Si conf\u00eda en la lista negra predeterminada de XStream del Security Framework, tendr\u00e1 que usar al menos la versi\u00f3n 1.4.15.\u0026#xa0;La vulnerabilidad reportada no existe si se ejecuta Java versi\u00f3n 15 o superior. Ning\u00fan usuario es afectado si sigui\u00f3 la recomendaci\u00f3n de configurar el Security Framework de XStream con una lista blanca!\u0026#xa0;Cualquiera que conf\u00ede en la lista negra predeterminada de XStream puede cambiar inmediatamente a una lista blanca para los tipos permitidos para evitar la vulnerabilidad.\u0026#xa0;Usuarios de XStream 1.4 o por debajo, quienes a\u00fan quieran usar la lista negra predeterminada de XStream pueden usar una soluci\u00f3n alternativa que se describe con m\u00e1s detalle en los avisos a los que se hace 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  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.