fkie_cve-2020-35506
Vulnerability from fkie_nvd
Published
2021-05-28 11:15
Modified
2024-11-21 05:27
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
References
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2021/04/16/3Mailing List, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1909996Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://security.gentoo.org/glsa/202208-27Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20210713-0006/Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2021/04/16/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/04/16/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1909996Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202208-27Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210713-0006/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/04/16/3Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
qemu qemu *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "CD1BE043-9A83-4615-86A8-EDD3C2192A22",
                     versionEndExcluding: "6.0.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.",
      },
      {
         lang: "es",
         value: "Se encontró una vulnerabilidad de uso de memoria previamente liberada en la emulación del adaptador bus de host SCSI am53c974 de QEMU en versiones anteriores a 6.0.0, durante el manejo del comando \"Information Transfer\" (CMD_TI). Este fallo permite a un usuario invitado privilegiado bloquear el proceso QEMU en el host, resultando en una denegación de servicio o una posible ejecución de código con los privilegios del proceso QEMU",
      },
   ],
   id: "CVE-2020-35506",
   lastModified: "2024-11-21T05:27:27.137",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "LOCAL",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 4.6,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:L/AC:L/Au:N/C:P/I:P/A:P",
               version: "2.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 6.4,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 6.7,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "HIGH",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 0.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-05-28T11:15:07.830",
   references: [
      {
         source: "secalert@redhat.com",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://www.openwall.com/lists/oss-security/2021/04/16/3",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Issue Tracking",
            "Third Party Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1909996",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.gentoo.org/glsa/202208-27",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20210713-0006/",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://www.openwall.com/lists/oss-security/2021/04/16/3",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://www.openwall.com/lists/oss-security/2021/04/16/3",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
            "Third Party Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1909996",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.gentoo.org/glsa/202208-27",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20210713-0006/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://www.openwall.com/lists/oss-security/2021/04/16/3",
      },
   ],
   sourceIdentifier: "secalert@redhat.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "secalert@redhat.com",
         type: "Primary",
      },
      {
         description: [
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "nvd@nist.gov",
         type: "Secondary",
      },
   ],
}


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