CVE-2022-28734

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-28734", "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "state": "PUBLISHED", "assignerShortName": "canonical", "dateReserved": "2022-04-05T21:59:08.760Z", "datePublished": "2023-07-20T00:22:37.840Z", "dateUpdated": "2025-02-13T16:32:36.223Z"}, "containers": {"cna": {"affected": [{"packageName": "grub2", "product": "GNU GRUB", "vendor": "GNU Project", "repo": "https://git.savannah.gnu.org/cgit/grub.git", "platforms": ["Linux"], "versions": [{"lessThan": "2.06-3", "status": "affected", "version": "0", "versionType": "semver"}]}], "title": "Out-of-bounds write when handling split HTTP headers", "descriptions": [{"lang": "en", "value": "Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata."}], "datePublic": "2022-06-13T00:00:00.000Z", "references": [{"tags": ["mailing-list"], "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"}, {"tags": ["issue-tracking"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734"}, {"url": "https://security.netapp.com/advisory/ntap-20230825-0002/"}], "credits": [{"lang": "en", "type": "finder", "value": "Daniel Axtens"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH"}}], "providerMetadata": {"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "shortName": "canonical", "dateUpdated": "2023-08-25T22:06:16.044Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T06:03:52.014Z"}, "title": "CVE Program Container", "references": [{"tags": ["mailing-list", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"}, {"tags": ["issue-tracking", "x_transferred"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734"}, {"url": "https://security.netapp.com/advisory/ntap-20230825-0002/", "tags": ["x_transferred"]}]}]}}

{}

{"affected": [{"affectedData": [{"packageName": "grub2", "platforms": ["Linux"], "product": "GNU GRUB", "repo": "https://git.savannah.gnu.org/cgit/grub.git", "vendor": "GNU Project", "versions": [{"lessThan": "2.06-3", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@ubuntu.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "matchCriteriaId": "F969F462-AB12-4158-BBA9-A9D828434F9F", "versionEndExcluding": "2.06-3", "versionStartIncluding": "2.00", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*", "matchCriteriaId": "3A756737-1CC4-42C2-A4DF-E1C893B4E2D5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata."}, {"lang": "es", "value": "Escritura fuera de l\u00edmites al manejar encabezados HTTP divididos; Al manejar encabezados HTTP divididos, el c\u00f3digo HTTP de GRUB2 mueve accidentalmente su puntero del b\u00fafer de datos interno en una posici\u00f3n. Esto puede llevar a una escritura fuera de l\u00edmites m\u00e1s adelante al analizar la solicitud HTTP, escribiendo un byte NULL m\u00e1s all\u00e1 del b\u00fafer. Es concebible que un conjunto de paquetes controlado por un atacante pueda llevar a la corrupci\u00f3n de los metadatos de la memoria interna de GRUB2."}], "id": "CVE-2022-28734", "lastModified": "2026-11-10T12:10:00.177", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "security@ubuntu.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-07-20T01:15:10.243", "references": [{"source": "security@ubuntu.com", "tags": ["Third Party Advisory"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734"}, {"source": "security@ubuntu.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20230825-0002/"}, {"source": "security@ubuntu.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20230825-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:5095", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "grub2-1:2.02-123.el8_6.8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5098", "cpe": "cpe:/o:redhat:rhel_e4s:8.1", "package": "grub2-1:2.02-87.el8_1.10", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5100", "cpe": "cpe:/o:redhat:rhel_eus:8.2", "package": "grub2-1:2.02-87.el8_2.10", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5096", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "grub2-1:2.02-99.el8_4.9", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5099", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "grub2-1:2.06-27.el9_0.7", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-16T00:00:00Z"}], "bugzilla": {"description": "grub2: Out-of-bound write when handling split HTTP headers", "id": "2090463", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2090463"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H", "status": "verified"}, "cwe": "CWE-787", "details": ["Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata.", "A flaw was found in grub2 when handling split HTTP headers. While processing a split HTTP header, grub2 wrongly advances its control pointer to the internal buffer by one position, which can lead to an out-of-bounds write. This flaw allows an attacker to leverage this issue by crafting a malicious set of HTTP packages making grub2 corrupt its internal memory metadata structure. This leads to data integrity and confidentiality issues or forces grub to crash, resulting in a denial of service attack."], "name": "CVE-2022-28734", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "grub2", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2022-06-07T17:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-28734\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-28734"], "threat_severity": "Moderate"}

{}