{"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":"2025-11-14T01:33:24.684Z"},"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":"2025-11-14T01:33:24.684Z"}},"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"}}]}}