FKIE_CVE-2021-3700

Vulnerability from fkie_nvd - Published: 2022-02-24 19:15 - Updated: 2026-06-17 04:05
Severity
6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1992830Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831baPatch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/03/msg00030.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1992830Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831baPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/03/msg00030.htmlMailing List, Third Party Advisory
Impacted products
Vendor Product Version
spice-space usbredir *
redhat enterprise_linux 6.0
redhat enterprise_linux 7.0
redhat enterprise_linux 8.0
fedoraproject fedora 34
debian debian_linux 9.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "usbredir",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "usbredir 0.11.0"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
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              "versionEndExcluding": "0.11.0",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad de uso de memoria previamente liberada en usbredir en versiones anteriores a 0.11.0, en la funci\u00f3n  usbredirparser_serialize() en el archivo usbredirparser/usbredirparser.c. Este problema es producido cuando son serializados grandes cantidades de datos de escritura en b\u00fafer en el caso de un destino lento o bloqueado"
    }
  ],
  "id": "CVE-2021-3700",
  "lastModified": "2026-06-17T04:05:35.120",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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    "cvssMetricV31": [
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2022-02-24T19:15:09.260",
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      "tags": [
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
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          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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