gsd-2021-28089
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
CVE-2021-28089


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-28089",
    "description": "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.",
    "id": "GSD-2021-28089",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-28089.html",
      "https://www.debian.org/security/2021/dsa-4871",
      "https://advisories.mageia.org/CVE-2021-28089.html",
      "https://security.archlinux.org/CVE-2021-28089",
      "https://ubuntu.com/security/CVE-2021-28089"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-28089"
      ],
      "details": "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.",
      "id": "GSD-2021-28089",
      "modified": "2023-12-13T01:23:28.756166Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "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"
                        }
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                    }
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      },
      "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"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:torproject:tor:0.4.4.1:alpha:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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              {
                "cpe23Uri": "cpe:2.3:a:torproject:tor:0.4.4.0:alpha:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.4.5.7",
                "versionStartIncluding": "0.4.5.0",
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              {
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              {
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                "cpe_name": [],
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              },
              {
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                "cpe_name": [],
                "versionEndExcluding": "0.4.4.8",
                "versionStartIncluding": "0.4.4.4",
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            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
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            ],
            "operator": "OR"
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        ]
      },
      "cve": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-28089"
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-400"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40304",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
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              "url": "https://gitlab.torproject.org/tpo/core/tor/-/issues/40304"
            },
            {
              "name": "https://blog.torproject.org/node/2009",
              "refsource": "CONFIRM",
              "tags": [
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              "url": "https://blog.torproject.org/node/2009"
            },
            {
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            },
            {
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              "url": "https://security.gentoo.org/glsa/202107-25"
            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-05-16T21:06Z",
      "publishedDate": "2021-03-19T05:15Z"
    }
  }
}


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