{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-45779", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2024-09-08T01:57:12.948Z", "datePublished": "2025-03-03T14:25:22.453Z", "dateUpdated": "2026-06-30T02:53:43.490Z" }, "containers": { "cna": { "title": "Grub2: fs/bfs: integer overflow leads to heap oob read in the bfs parser", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "An integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading, leading to a heap of bounds read. As a consequence, sensitive data may be leaked, or grub2 will crash." } ], "affected": [ { "versions": [ { "status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "2.12" } ], "packageName": "grub2", "collectionURL": "https://www.gnu.org/software/grub/", "defaultStatus": "unaffected" }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grub2", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grub2", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grub2", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grub2", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ] }, { "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhcos", "defaultStatus": "unaffected", "cpes": [ "cpe:/a:redhat:openshift:4" ] } ], "references": [ { "url": "https://access.redhat.com/security/cve/CVE-2024-45779", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345854", "name": "RHBZ#2345854", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] }, { "url": "https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html" } ], "datePublic": "2025-02-18T18:00:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-190", "description": "Integer Overflow or Wraparound", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-190: Integer Overflow or Wraparound", "workarounds": [ { "lang": "en", "value": "Do not run grub2 in an untrusted environment, specifically with a BFS file system image." } ], "timeline": [ { "lang": "en", "time": "2025-02-14T21:10:30.586Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2025-02-18T18:00:00.000Z", "value": "Made public." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-06-30T02:53:43.490Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-03-03T15:05:17.399405Z", "id": "CVE-2024-45779", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-03T15:05:35.269Z" } } ] } }