{"id":"CVE-2022-28734","state":"PUBLISHED","title":"Out-of-bounds write when handling split HTTP headers","description":"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.","publishedAt":"2023-07-20T00:22:37.840Z","updatedAt":"2025-02-13T16:32:36.223Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"canonical"},"assigner":"canonical","products":["GNU Project GNU GRUB"],"affected":[{"vendor":"GNU Project","product":"GNU GRUB","packageName":"grub2","versions":[{"version":"0","status":"affected","lessThan":"2.06-3","versionType":"semver"}],"repo":"https://git.savannah.gnu.org/cgit/grub.git","platforms":["Linux"]}],"references":["https://www.openwall.com/lists/oss-security/2022/06/07/5","https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734","https://security.netapp.com/advisory/ntap-20230825-0002/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:55.027Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/28xxx/CVE-2022-28734.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-28734","state":"PUBLISHED","datePublished":"2023-07-20T00:22:37.840Z","dateUpdated":"2025-02-13T16:32:36.223Z","assignerShortName":"canonical","assignerOrgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","dateReserved":"2022-04-05T21:59:08.760Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"GNU Project","product":"GNU GRUB","packageName":"grub2","versions":[{"version":"0","status":"affected","lessThan":"2.06-3","versionType":"semver"}],"repo":"https://git.savannah.gnu.org/cgit/grub.git","platforms":["Linux"]}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2022/06/07/5","tags":["mailing-list"]},{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734","tags":["issue-tracking"]},{"url":"https://security.netapp.com/advisory/ntap-20230825-0002/"}],"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":{"shortName":"canonical","orgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","dateUpdated":"2023-08-25T22:06:16.044Z"},"datePublic":"2022-06-13T00:00:00.000Z","credits":[{"lang":"en","type":"finder","value":"Daniel Axtens"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.openwall.com/lists/oss-security/2022/06/07/5","tags":["mailing-list","x_transferred"]},{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734","tags":["issue-tracking","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230825-0002/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T06:03:52.014Z"}}]}}}