gsd-2023-6240
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2023-6240",
    "id": "GSD-2023-6240"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-6240"
      ],
      "details": "A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key.",
      "id": "GSD-2023-6240",
      "modified": "2023-12-13T01:20:32.601424Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2023-6240",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "lessThan": "*",
                                "status": "unaffected",
                                "version": "0:5.14.0-284.62.1.el9_2",
                                "versionType": "rpm"
                              }
                            ]
                          }
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "lessThan": "*",
                                "status": "unaffected",
                                "version": "0:5.14.0-284.62.1.rt14.347.el9_2",
                                "versionType": "rpm"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Red Hat Enterprise Linux 6",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "unknown"
                          }
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Red Hat Enterprise Linux 7",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "unknown"
                          }
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "unknown"
                          }
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Red Hat Enterprise Linux 8",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected"
                          }
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected"
                          }
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Red Hat Enterprise Linux 9",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected"
                          }
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected"
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Red Hat"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-203",
                "lang": "eng",
                "value": "Observable Discrepancy"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://access.redhat.com/errata/RHSA-2024:1881",
            "refsource": "MISC",
            "url": "https://access.redhat.com/errata/RHSA-2024:1881"
          },
          {
            "name": "https://access.redhat.com/errata/RHSA-2024:1882",
            "refsource": "MISC",
            "url": "https://access.redhat.com/errata/RHSA-2024:1882"
          },
          {
            "name": "https://access.redhat.com/security/cve/CVE-2023-6240",
            "refsource": "MISC",
            "url": "https://access.redhat.com/security/cve/CVE-2023-6240"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2250843",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2250843"
          },
          {
            "name": "https://people.redhat.com/~hkario/marvin/",
            "refsource": "MISC",
            "url": "https://people.redhat.com/~hkario/marvin/"
          },
          {
            "name": "https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/",
            "refsource": "MISC",
            "url": "https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key."
          },
          {
            "lang": "es",
            "value": "Se encontr\u00f3 una fuga de canal lateral de vulnerabilidad de Marvin en la operaci\u00f3n de descifrado RSA en el kernel de Linux. Este problema puede permitir que un atacante de red descifre textos cifrados o falsifique firmas, limitando los servicios que utilizan esa clave privada."
          }
        ],
        "id": "CVE-2023-6240",
        "lastModified": "2024-04-18T04:15:09.903",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 4.2,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 4.2,
              "source": "secalert@redhat.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-02-04T14:15:47.787",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "https://access.redhat.com/errata/RHSA-2024:1881"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://access.redhat.com/errata/RHSA-2024:1882"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2023-6240"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2250843"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://people.redhat.com/~hkario/marvin/"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Technical Description"
            ],
            "url": "https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-203"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-203"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

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.