{"id":"CVE-2019-5609","state":"PUBLISHED","title":"In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p1","description":"In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host.","publishedAt":"2019-08-29T21:54:42.000Z","updatedAt":"2024-08-04T20:01:51.639Z","severity":null,"assigner":"freebsd","products":["n/a FreeBSD"],"affected":[{"vendor":"n/a","product":"FreeBSD","versions":[{"version":"before 12.0-RELEASE-p9","status":"affected"},{"version":"before 11.3-RELEASE-p2","status":"affected"},{"version":"and before 11.2-RELEASE-p13","status":"affected"}]}],"references":["https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc","https://security.netapp.com/advisory/ntap-20190910-0002/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:04.126Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/5xxx/CVE-2019-5609.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-5609","state":"PUBLISHED","datePublished":"2019-08-29T21:54:42.000Z","dateUpdated":"2024-08-04T20:01:51.639Z","assignerShortName":"freebsd","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateReserved":"2019-01-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host."}],"affected":[{"vendor":"n/a","product":"FreeBSD","versions":[{"version":"before 12.0-RELEASE-p9","status":"affected"},{"version":"before 11.3-RELEASE-p2","status":"affected"},{"version":"and before 11.2-RELEASE-p13","status":"affected"}]}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc","tags":["x_refsource_CONFIRM"]},{"url":"https://security.netapp.com/advisory/ntap-20190910-0002/","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"Improper input validation","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"freebsd","dateUpdated":"2019-09-10T14:06:14.000Z","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secteam@freebsd.org","ID":"CVE-2019-5609","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"FreeBSD","version":{"version_data":[{"version_value":"before 12.0-RELEASE-p9"},{"version_value":"before 11.3-RELEASE-p2"},{"version_value":"and before 11.2-RELEASE-p13"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper input validation"}]}]},"references":{"reference_data":[{"name":"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc","refsource":"CONFIRM","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc"},{"name":"https://security.netapp.com/advisory/ntap-20190910-0002/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20190910-0002/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20190910-0002/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T20:01:51.639Z"}}]}}}