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GSD-2023-5912

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
A potential memory leakage vulnerability was reported in some Lenovo Notebook products that may allow a local attacker with elevated privileges to write to NVRAM variables.
Aliases
Aliases
CVE-2023-5912
To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-5912",
    "id": "GSD-2023-5912"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-5912"
      ],
      "details": "\nA potential memory leakage vulnerability was reported in some Lenovo Notebook products that may allow a local attacker with elevated privileges to write to NVRAM variables. \n\n",
      "id": "GSD-2023-5912",
      "modified": "2023-12-13T01:20:51.003485Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@lenovo.com",
        "ID": "CVE-2023-5912",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Notebook BIOS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "various"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Lenovo"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Lenovo thanks the BINARLY efiXplorer team for reporting this issue. "
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "\nA potential memory leakage vulnerability was reported in some Lenovo Notebook products that may allow a local attacker with elevated privileges to write to NVRAM variables. \n\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-787",
                "lang": "eng",
                "value": "CWE-787 Out-of-bounds Write"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://support.lenovo.com/us/en/product_security/LEN-155477",
            "refsource": "MISC",
            "url": "https://support.lenovo.com/us/en/product_security/LEN-155477"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eUpdate system firmware to the version (or newer) indicated for your model in the advisory:\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://support.lenovo.com/us/en/product_security/LEN-155477\"\u003ehttps://support.lenovo.com/us/en/product_security/LEN-155477\u003c/a\u003e\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "\nUpdate system firmware to the version (or newer) indicated for your model in the advisory:\u00a0 https://support.lenovo.com/us/en/product_security/LEN-155477 \n"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "\nA potential memory leakage vulnerability was reported in some Lenovo Notebook products that may allow a local attacker with elevated privileges to write to NVRAM variables. \n\n"
          },
          {
            "lang": "es",
            "value": "Se inform\u00f3 una posible vulnerabilidad de p\u00e9rdida de memoria en algunos productos port\u00e1tiles Lenovo que puede permitir que un atacante local con privilegios elevados escriba en variables NVRAM."
          }
        ],
        "id": "CVE-2023-5912",
        "lastModified": "2024-04-08T18:49:25.863",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 0.8,
              "impactScore": 5.9,
              "source": "psirt@lenovo.com",
              "type": "Primary"
            }
          ]
        },
        "published": "2024-04-05T21:15:08.210",
        "references": [
          {
            "source": "psirt@lenovo.com",
            "url": "https://support.lenovo.com/us/en/product_security/LEN-155477"
          }
        ],
        "sourceIdentifier": "psirt@lenovo.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "psirt@lenovo.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.