{"id":"CVE-2020-7461","state":"PUBLISHED","title":"In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain ","description":"In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit.","publishedAt":"2021-03-26T20:55:08.000Z","updatedAt":"2024-08-04T09:25:49.113Z","severity":null,"assigner":"freebsd","products":["n/a FreeBSD"],"affected":[{"vendor":"n/a","product":"FreeBSD","versions":[{"version":"FreeBSD 12.1-RELEASE before p9, 11.4-RELEASE before p3, 11.3-RELEASE before p13","status":"affected"}]}],"references":["https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc","https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:41.446Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/7xxx/CVE-2020-7461.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-7461","state":"PUBLISHED","datePublished":"2021-03-26T20:55:08.000Z","dateUpdated":"2024-08-04T09:25:49.113Z","assignerShortName":"freebsd","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateReserved":"2020-01-21T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit."}],"affected":[{"vendor":"n/a","product":"FreeBSD","versions":[{"version":"FreeBSD 12.1-RELEASE before p9, 11.4-RELEASE before p3, 11.3-RELEASE before p13","status":"affected"}]}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc","tags":["x_refsource_MISC"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Heap-based Buffer Overflow","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"freebsd","dateUpdated":"2021-09-14T12:06:27.000Z","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secteam@freebsd.org","ID":"CVE-2020-7461","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"FreeBSD","version":{"version_data":[{"version_value":"FreeBSD 12.1-RELEASE before p9, 11.4-RELEASE before p3, 11.3-RELEASE before p13"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Heap-based Buffer Overflow"}]}]},"references":{"reference_data":[{"name":"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc","refsource":"MISC","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc"},{"name":"https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf","refsource":"MISC","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T09:25:49.113Z"}}]}}}