CVE-2022-23645
Vulnerability from cvelistv5
Published
2022-02-18 20:50
Modified
2024-08-03 03:51
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Out-of-bounds read in swtpm
References
security-advisories@github.comhttps://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/stefanberger/swtpm/releases/tag/v0.5.3Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/stefanberger/swtpm/releases/tag/v0.6.2Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/stefanberger/swtpm/releases/tag/v0.7.1Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqwPatch, Third Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WL735FW266GO4C2JX4CJBOIOB7R7AY5A/
Impacted products
stefanbergerswtpm
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T03:51:44.930Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqw"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.5.3"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.6.2"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.7.1"
          },
          {
            "name": "FEDORA-2022-12443a525c",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WL735FW266GO4C2JX4CJBOIOB7R7AY5A/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "swtpm",
          "vendor": "stefanberger",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.5.3"
            },
            {
              "status": "affected",
              "version": "\u003e= 0.6.0, \u003c 0.6.2"
            },
            {
              "status": "affected",
              "version": "= 0.7.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpm\u0027s state, where the blobheader\u0027s hdrsize indicator has an invalid value, may cause an out-of-bounds access when the byte array representing the state of the TPM is accessed. This will likely crash swtpm or prevent it from starting since the state cannot be understood. Users should upgrade to swtpm v0.5.3, v0.6.2, or v0.7.1 to receive a patch. There are currently no known workarounds."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-05T19:06:09",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqw"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.5.3"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.6.2"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.7.1"
        },
        {
          "name": "FEDORA-2022-12443a525c",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WL735FW266GO4C2JX4CJBOIOB7R7AY5A/"
        }
      ],
      "source": {
        "advisory": "GHSA-2qgm-8xf4-3hqw",
        "discovery": "UNKNOWN"
      },
      "title": "Out-of-bounds read in swtpm",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2022-23645",
          "STATE": "PUBLIC",
          "TITLE": "Out-of-bounds read in swtpm"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "swtpm",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 0.5.3"
                          },
                          {
                            "version_value": "\u003e= 0.6.0, \u003c 0.6.2"
                          },
                          {
                            "version_value": "= 0.7.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "stefanberger"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpm\u0027s state, where the blobheader\u0027s hdrsize indicator has an invalid value, may cause an out-of-bounds access when the byte array representing the state of the TPM is accessed. This will likely crash swtpm or prevent it from starting since the state cannot be understood. Users should upgrade to swtpm v0.5.3, v0.6.2, or v0.7.1 to receive a patch. There are currently no known workarounds."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-125: Out-of-bounds Read"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqw",
              "refsource": "CONFIRM",
              "url": "https://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqw"
            },
            {
              "name": "https://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19",
              "refsource": "MISC",
              "url": "https://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19"
            },
            {
              "name": "https://github.com/stefanberger/swtpm/releases/tag/v0.5.3",
              "refsource": "MISC",
              "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.5.3"
            },
            {
              "name": "https://github.com/stefanberger/swtpm/releases/tag/v0.6.2",
              "refsource": "MISC",
              "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.6.2"
            },
            {
              "name": "https://github.com/stefanberger/swtpm/releases/tag/v0.7.1",
              "refsource": "MISC",
              "url": "https://github.com/stefanberger/swtpm/releases/tag/v0.7.1"
            },
            {
              "name": "FEDORA-2022-12443a525c",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WL735FW266GO4C2JX4CJBOIOB7R7AY5A/"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-2qgm-8xf4-3hqw",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-23645",
    "datePublished": "2022-02-18T20:50:10",
    "dateReserved": "2022-01-19T00:00:00",
    "dateUpdated": "2024-08-03T03:51:44.930Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-23645\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2022-02-18T21:15:13.090\",\"lastModified\":\"2023-11-07T03:44:16.570\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpm\u0027s state, where the blobheader\u0027s hdrsize indicator has an invalid value, may cause an out-of-bounds access when the byte array representing the state of the TPM is accessed. This will likely crash swtpm or prevent it from starting since the state cannot be understood. Users should upgrade to swtpm v0.5.3, v0.6.2, or v0.7.1 to receive a patch. There are currently no known workarounds.\"},{\"lang\":\"es\",\"value\":\"swtpm es un emulador de TPM basado en libtpms con socket, dispositivo de caracteres e interfaz Linux CUSE. Las versiones anteriores a 0.5.3, 0.6.2 y 0.7.1, son vulnerables a una lectura fuera de l\u00edmites. Un encabezado especialmente dise\u00f1ado del estado de swtpm, donde el indicador hdrsize del blobheader presenta un valor no v\u00e1lido, puede causar un acceso fuera de l\u00edmites cuando es accedido al array de bytes que representa el estado del TPM. Esto probablemente bloquear\u00e1 swtpm o impedir\u00e1 que sea iniciado ya que el estado no puede ser entendido. Los usuarios deben actualizar a swtpm versi\u00f3n v0.5.3, v0.6.2, o v0.7.1 para recibir un parche. Actualmente no se presentan medidas de mitigaci\u00f3n conocidas\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.2,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.5,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":2.1},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:swtpm_project:swtpm:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.5.3\",\"matchCriteriaId\":\"29034260-C392-45E1-94C6-A3F7B2F579C1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:swtpm_project:swtpm:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.6.0\",\"versionEndExcluding\":\"0.6.2\",\"matchCriteriaId\":\"F54F0E14-A4C4-4D58-999A-615E06AC63A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:swtpm_project:swtpm:0.7.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"93689630-E73B-4696-B455-CBB77A9FB8AD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:swtpm_project:swtpm:0.7.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E560701C-A5E0-449B-B7DA-E5774DDBAEAC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:swtpm_project:swtpm:0.7.0:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C38734A0-9671-48B5-9868-F916EF26B942\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4CFF558-3C47-480D-A2F0-BABF26042943\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"}]}]}],\"references\":[{\"url\":\"https://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/stefanberger/swtpm/releases/tag/v0.5.3\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/stefanberger/swtpm/releases/tag/v0.6.2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/stefanberger/swtpm/releases/tag/v0.7.1\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqw\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WL735FW266GO4C2JX4CJBOIOB7R7AY5A/\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}


Log in or create an account to share your comment.




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.