CVE-2021-28089
Vulnerability from cvelistv5
Published
2021-03-19 04:18
Modified
2024-08-03 21:33
Severity ?
Summary
Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.
References
cve@mitre.orghttps://blog.torproject.org/node/2009Release Notes, Vendor Advisory
cve@mitre.orghttps://gitlab.torproject.org/tpo/core/tor/-/issues/40304Vendor Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/
cve@mitre.orghttps://security.gentoo.org/glsa/202107-25Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.torproject.org/node/2009Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.torproject.org/tpo/core/tor/-/issues/40304Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-25Third Party Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T21:33:17.404Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://gitlab.torproject.org/tpo/core/tor/-/issues/40304",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://blog.torproject.org/node/2009",
               },
               {
                  name: "FEDORA-2021-e68317166d",
                  tags: [
                     "vendor-advisory",
                     "x_refsource_FEDORA",
                     "x_transferred",
                  ],
                  url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/",
               },
               {
                  name: "GLSA-202107-25",
                  tags: [
                     "vendor-advisory",
                     "x_refsource_GENTOO",
                     "x_transferred",
                  ],
                  url: "https://security.gentoo.org/glsa/202107-25",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "n/a",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "n/a",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "n/a",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-07-10T04:06:11",
            orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
            shortName: "mitre",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://gitlab.torproject.org/tpo/core/tor/-/issues/40304",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://blog.torproject.org/node/2009",
            },
            {
               name: "FEDORA-2021-e68317166d",
               tags: [
                  "vendor-advisory",
                  "x_refsource_FEDORA",
               ],
               url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/",
            },
            {
               name: "GLSA-202107-25",
               tags: [
                  "vendor-advisory",
                  "x_refsource_GENTOO",
               ],
               url: "https://security.gentoo.org/glsa/202107-25",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2021-28089",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "n/a",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "n/a",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "n/a",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "n/a",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://gitlab.torproject.org/tpo/core/tor/-/issues/40304",
                     refsource: "MISC",
                     url: "https://gitlab.torproject.org/tpo/core/tor/-/issues/40304",
                  },
                  {
                     name: "https://blog.torproject.org/node/2009",
                     refsource: "CONFIRM",
                     url: "https://blog.torproject.org/node/2009",
                  },
                  {
                     name: "FEDORA-2021-e68317166d",
                     refsource: "FEDORA",
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/",
                  },
                  {
                     name: "GLSA-202107-25",
                     refsource: "GENTOO",
                     url: "https://security.gentoo.org/glsa/202107-25",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
      assignerShortName: "mitre",
      cveId: "CVE-2021-28089",
      datePublished: "2021-03-19T04:18:41",
      dateReserved: "2021-03-08T00:00:00",
      dateUpdated: "2024-08-03T21:33:17.404Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2021-28089\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-03-19T05:15:12.807\",\"lastModified\":\"2024-11-21T05:59:04.063\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.\"},{\"lang\":\"es\",\"value\":\"Tor versiones anteriores a 0.4.5.7, permite a un participante remoto en el protocolo de directorio de Tor agotar los recursos de la CPU en un objetivo, también se conoce como TROVE-2021-001\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.3.5.14\",\"matchCriteriaId\":\"43571CF8-3E89-4207-85A4-809927C4E8B1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.4.4.4\",\"versionEndExcluding\":\"0.4.4.8\",\"matchCriteriaId\":\"172491E9-1095-4908-8D59-F65C7639FDAF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.4.5.0\",\"versionEndExcluding\":\"0.4.5.7\",\"matchCriteriaId\":\"A7449C9D-05ED-49E4-A3D9-674B44E032F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:0.4.4.0:alpha:*:*:*:*:*:*\",\"matchCriteriaId\":\"C3708B4D-8F02-47B4-81E8-AA626B04C906\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:0.4.4.1:alpha:*:*:*:*:*:*\",\"matchCriteriaId\":\"2143F2C0-BBD4-4B14-84D6-70125DD37376\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:0.4.4.2:alpha:*:*:*:*:*:*\",\"matchCriteriaId\":\"85811EFA-8639-439D-BC97-52C70D5937E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:0.4.4.3:alpha:*:*:*:*:*:*\",\"matchCriteriaId\":\"419573B8-18FB-4BEA-8C21-023BA05B3D8E\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"}]}]}],\"references\":[{\"url\":\"https://blog.torproject.org/node/2009\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://gitlab.torproject.org/tpo/core/tor/-/issues/40304\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/202107-25\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://blog.torproject.org/node/2009\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://gitlab.torproject.org/tpo/core/tor/-/issues/40304\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/202107-25\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




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.