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cve-2024-43378

Vulnerability from cvelistv5

Published

2024-08-15 23:53

Modified

2024-09-03 18:02

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Summary

calamares-nixos-extensions LUKS keyfile exposure regression on legacy BIOS systems

References

▼	URL	Tags
	https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-vfxf-gpmj-2p25	x_refsource_CONFIRM
	https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-3rvf-24q2-24ww	x_refsource_MISC
	https://github.com/NixOS/calamares-nixos-extensions/pull/43	x_refsource_MISC
	https://github.com/NixOS/nixpkgs/pull/331607	x_refsource_MISC
	https://github.com/NixOS/nixpkgs/pull/334252	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

NixOS

calamares-nixos-extensions

Version: < 0.3.17

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:nixos:calamares-nixos-extensions:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "calamares-nixos-extensions",
            "vendor": "nixos",
            "versions": [
              {
                "lessThan": "0.3.17",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-43378",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-19T20:54:33.909326Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-03T18:02:47.756Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "calamares-nixos-extensions",
          "vendor": "NixOS",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.3.17"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "calamares-nixos-extensions provides Calamares branding and modules for NixOS, a distribution of GNU/Linux. Users who installed NixOS through the graphical installer who used manual disk partitioning to create a setup where the system was booted via legacy BIOS rather than UEFI; some disk partitions are encrypted; but the partitions containing either `/` or `/boot` are unencrypted; have their LUKS disk encryption key file in plain text either in `/crypto_keyfile.bin`, or in a CPIO archive attached to their NixOS initrd. `nixos-install` is not affected, nor are UEFI installations, nor was the default automatic partitioning configuration on legacy BIOS systems. The problem has been fixed in calamares-nixos-extensions 0.3.17, which was included in NixOS. The current installer images for the NixOS 24.05 and unstable (24.11) channels are unaffected. The fix reached 24.05 at 2024-08-13 20:06:59 UTC, and unstable at 2024-08-15 09:00:20 UTC. Installer images downloaded before those times may be vulnerable. The best solution for affected users is probably to back up their data and do a complete reinstallation. However, the mitigation procedure in GHSA-3rvf-24q2-24ww should work solely for the case where `/` is encrypted but `/boot` is not. If `/` is unencrypted, then the `/crypto_keyfile.bin` file will need to be deleted in addition to the remediation steps in the previous advisory. This issue is a partial regression of CVE-2023-36476 / GHSA-3rvf-24q2-24ww, which was more severe as it applied to the default configuration on BIOS systems."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-256",
              "description": "CWE-256: Plaintext Storage of a Password",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-08-15T23:53:07.103Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-vfxf-gpmj-2p25",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-vfxf-gpmj-2p25"
        },
        {
          "name": "https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-3rvf-24q2-24ww",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/NixOS/calamares-nixos-extensions/security/advisories/GHSA-3rvf-24q2-24ww"
        },
        {
          "name": "https://github.com/NixOS/calamares-nixos-extensions/pull/43",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/NixOS/calamares-nixos-extensions/pull/43"
        },
        {
          "name": "https://github.com/NixOS/nixpkgs/pull/331607",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/NixOS/nixpkgs/pull/331607"
        },
        {
          "name": "https://github.com/NixOS/nixpkgs/pull/334252",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/NixOS/nixpkgs/pull/334252"
        }
      ],
      "source": {
        "advisory": "GHSA-vfxf-gpmj-2p25",
        "discovery": "UNKNOWN"
      },
      "title": "calamares-nixos-extensions LUKS keyfile exposure regression on legacy BIOS systems"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-43378",
    "datePublished": "2024-08-15T23:53:07.103Z",
    "dateReserved": "2024-08-09T14:23:55.514Z",
    "dateUpdated": "2024-09-03T18:02:47.756Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

cve-2023-36476