CVE-2022-28734

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.openwall.com/lists/oss-security/2022/06/07/5", "name": "https://www.openwall.com/lists/oss-security/2022/06/07/5", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734", "name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734", "tags": ["Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-28734", "ASSIGNER": "security@ubuntu.com"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2023-07-20T01:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.06-3", "versionStartIncluding": "2.00"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-07-28T15:34Z"}