gsd-2008-3896
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer before and after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2008-3896",
    "description": "Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer before and after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer.",
    "id": "GSD-2008-3896"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2008-3896"
      ],
      "details": "Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer before and after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer.",
      "id": "GSD-2008-3896",
      "modified": "2023-12-13T01:23:05.374232Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2008-3896",
        "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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            "value": "Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer before and after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
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      },
      "references": {
        "reference_data": [
          {
            "name": "20080825 [IVIZ-08-009] Grub Legacy Security Model bypass exploiting wrong BIOS API usage",
            "refsource": "BUGTRAQ",
            "url": "http://www.securityfocus.com/archive/1/495726/100/0/threaded"
          },
          {
            "name": "4206",
            "refsource": "SREASON",
            "url": "http://securityreason.com/securityalert/4206"
          },
          {
            "name": "http://www.ivizsecurity.com/preboot-patch.html",
            "refsource": "MISC",
            "url": "http://www.ivizsecurity.com/preboot-patch.html"
          },
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          },
          {
            "name": "4204",
            "refsource": "SREASON",
            "url": "http://securityreason.com/securityalert/4204"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:gnu:grub_legacy:0.96:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:gnu:grub_legacy:0.96-i386-pc:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:gnu:grub_legacy:0.97-i386-pc:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:gnu:grub_legacy:0.92:*:*:*:*:*:*:*",
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              {
                "cpe23Uri": "cpe:2.3:a:gnu:grub_legacy:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "0.97",
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              },
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              },
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                "cpe_name": [],
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            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2008-3896"
        },
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        "description": {
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              "lang": "en",
              "value": "Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer before and after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-200"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.ivizsecurity.com/preboot-patch.html",
              "refsource": "MISC",
              "tags": [],
              "url": "http://www.ivizsecurity.com/preboot-patch.html"
            },
            {
              "name": "http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf",
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            },
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            },
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              "tags": [],
              "url": "http://securityreason.com/securityalert/4204"
            },
            {
              "name": "20080825 [IVIZ-08-009] Grub Legacy Security Model bypass exploiting wrong BIOS API usage",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/495726/100/0/threaded"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2018-10-11T20:50Z",
      "publishedDate": "2008-09-03T14:12Z"
    }
  }
}


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