fkie_cve-2021-28041
Vulnerability from fkie_nvd
Published
2021-03-05 21:15
Modified
2024-11-21 05:59
Summary
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
References
cve@mitre.orghttps://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568dbPatch, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/
cve@mitre.orghttps://security.gentoo.org/glsa/202105-35Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210416-0002/Third Party Advisory
cve@mitre.orghttps://www.openssh.com/security.htmlNot Applicable, Vendor Advisory
cve@mitre.orghttps://www.openssh.com/txt/release-8.5Release Notes, Vendor Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2021/03/03/1Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568dbPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202105-35Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210416-0002/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openssh.com/security.htmlNot Applicable, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openssh.com/txt/release-8.5Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/03/03/1Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory



{
   configurations: [
      {
         nodes: [
            {
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                     matchCriteriaId: "7974AA7F-3FC7-437C-80C4-8581BC18F883",
                     versionEndExcluding: "8.5",
                     versionStartIncluding: "8.2",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
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                     matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                     matchCriteriaId: "A930E247-0B43-43CB-98FF-6CE7B8189835",
                     vulnerable: true,
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               negate: false,
               operator: "OR",
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                     vulnerable: true,
                  },
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                     criteria: "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "A3C19813-E823-456A-B1CE-EC0684CE1953",
                     vulnerable: true,
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                     matchCriteriaId: "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737",
                     vulnerable: true,
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                     vulnerable: false,
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         nodes: [
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                     matchCriteriaId: "49ACFC73-A509-4D1C-8FC3-F68F495AB055",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:oracle:zfs_storage_appliance:8.8:*:*:*:*:*:*:*",
                     matchCriteriaId: "18096778-19E1-434F-BD96-A9FBF11A8C81",
                     vulnerable: true,
                  },
               ],
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         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.",
      },
      {
         lang: "es",
         value: "ssh-agent en OpenSSH versiones anteriores a 8.5, presenta una doble liberación que puede ser relevante en algunos escenarios menos comunes, como el acceso sin restricciones al socket del agente en un sistema operativo heredado o el reenvío de un agente a un host controlado por el atacante",
      },
   ],
   id: "CVE-2021-28041",
   lastModified: "2024-11-21T05:59:01.940",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "HIGH",
               accessVector: "NETWORK",
               authentication: "SINGLE",
               availabilityImpact: "PARTIAL",
               baseScore: 4.6,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:H/Au:S/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: true,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "HIGH",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 7.1,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.2,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-03-05T21:15:13.200",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/",
      },
      {
         source: "cve@mitre.org",
         tags: [
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         url: "https://security.gentoo.org/glsa/202105-35",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20210416-0002/",
      },
      {
         source: "cve@mitre.org",
         tags: [
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            "Vendor Advisory",
         ],
         url: "https://www.openssh.com/security.html",
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      {
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         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/",
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   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-415",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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