gsd-2021-21342
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21342",
"description": "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\u0027s security framework with a whitelist limited to the minimal required types. If you rely on XStream\u0027s default blacklist of the Security Framework, you will have to use at least version 1.4.16.",
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"https://www.debian.org/security/2021/dsa-5004",
"https://access.redhat.com/errata/RHSA-2021:5134",
"https://access.redhat.com/errata/RHSA-2021:4918",
"https://access.redhat.com/errata/RHSA-2021:4767",
"https://access.redhat.com/errata/RHSA-2021:2476",
"https://access.redhat.com/errata/RHSA-2021:2475",
"https://access.redhat.com/errata/RHSA-2021:2139",
"https://ubuntu.com/security/CVE-2021-21342",
"https://advisories.mageia.org/CVE-2021-21342.html"
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"modified": "2023-12-13T01:23:10.619891Z",
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"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.2
}
},
"lastModifiedDate": "2023-03-09T15:18Z",
"publishedDate": "2021-03-23T00:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- 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.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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.