{"id":"CVE-2019-0001","state":"PUBLISHED","title":"Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd).","description":"Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2.","publishedAt":"2019-01-15T21:00:00.000Z","updatedAt":"2024-09-17T03:43:58.115Z","severity":{"score":7.5,"label":"High","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"16.1","status":"affected","lessThan":"16.1R7-S1","versionType":"custom"},{"version":"16.2","status":"affected","lessThan":"16.2R2-S7","versionType":"custom"},{"version":"17.1","status":"affected","lessThan":"17.1R2-S10, 17.1R3","versionType":"custom"},{"version":"17.2","status":"affected","lessThan":"17.2R3","versionType":"custom"},{"version":"17.3","status":"affected","lessThan":"17.3R3-S1","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R2","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R2","versionType":"custom"}],"platforms":["MX Series"]}],"references":["https://kb.juniper.net/JSA10900","http://www.securityfocus.com/bid/106541","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/"],"weaknesses":["CWE-674"],"ingestedAt":"2026-10-29T19:45:08.139Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/0xxx/CVE-2019-0001.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-0001","state":"PUBLISHED","datePublished":"2019-01-15T21:00:00.000Z","dateUpdated":"2024-09-17T03:43:58.115Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2018-10-11T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd).","descriptions":[{"lang":"en","value":"Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"16.1","status":"affected","lessThan":"16.1R7-S1","versionType":"custom"},{"version":"16.2","status":"affected","lessThan":"16.2R2-S7","versionType":"custom"},{"version":"17.1","status":"affected","lessThan":"17.1R2-S10, 17.1R3","versionType":"custom"},{"version":"17.2","status":"affected","lessThan":"17.2R3","versionType":"custom"},{"version":"17.3","status":"affected","lessThan":"17.3R3-S1","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R2","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R2","versionType":"custom"}],"platforms":["MX Series"]}],"references":[{"url":"https://kb.juniper.net/JSA10900","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securityfocus.com/bid/106541","name":"106541","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/","name":"FEDORA-2019-5f14b810f8","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/","name":"FEDORA-2019-815807c020","tags":["vendor-advisory","x_refsource_FEDORA"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","description":"CWE-674: Uncontrolled Recursion","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"juniper","dateUpdated":"2019-12-05T03:06:09.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968"},"configurations":[{"lang":"en","value":"This issue can only occur on MX Series devices with dynamic vlan configuration."}],"datePublic":"2019-01-09T00:00:00.000Z","exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","value":"The following Junos OS releases have been updated to resolve this specific issue: 16.1R7-S1, 16.2R2-S7, 17.1R2-S10, 17.1R3, 17.2R3, 17.3R3-S1, 17.4R2, 18.1R3, 18.2R2, 18.3R1, and all subsequent releases."}],"source":{"advisory":"JSA10900","defect":["1356474"],"discovery":"USER"},"workarounds":[{"lang":"en","value":"There are no viable workarounds for this issue."}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2019-01-09T17:00:00.000Z","ID":"CVE-2019-0001","STATE":"PUBLIC","TITLE":"Junos OS: MX Series: uncontrolled recursion and crash in Broadband Edge subscriber management daemon (bbe-smgd)."},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"16.1","version_value":"16.1R7-S1"},{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"16.2","version_value":"16.2R2-S7"},{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"17.1","version_value":"17.1R2-S10, 17.1R3"},{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"17.2","version_value":"17.2R3"},{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"17.3","version_value":"17.3R3-S1"},{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"17.4","version_value":"17.4R2"},{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"18.1","version_value":"18.1R3"},{"affected":"<","platform":"MX Series","version_affected":"<","version_name":"18.2","version_value":"18.2R2"}]}}]},"vendor_name":"Juniper Networks"}]}},"configuration":[{"lang":"en","value":"This issue can only occur on MX Series devices with dynamic vlan configuration."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2."}]},"exploit":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-674: Uncontrolled Recursion"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA10900","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA10900"},{"name":"106541","refsource":"BID","url":"http://www.securityfocus.com/bid/106541"},{"name":"FEDORA-2019-5f14b810f8","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/"},{"name":"FEDORA-2019-815807c020","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/"}]},"solution":[{"lang":"en","value":"The following Junos OS releases have been updated to resolve this specific issue: 16.1R7-S1, 16.2R2-S7, 17.1R2-S10, 17.1R3, 17.2R3, 17.3R3-S1, 17.4R2, 18.1R3, 18.2R2, 18.3R1, and all subsequent releases."}],"source":{"advisory":"JSA10900","defect":["1356474"],"discovery":"USER"},"work_around":[{"lang":"en","value":"There are no viable workarounds for this issue."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA10900","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/106541","name":"106541","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RMKFSHPMOZL7MDWU5RYOTIBTRWSZ4Z6X/","name":"FEDORA-2019-5f14b810f8","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7CPKBW4QZ4VIY4UXIUVUSHRJ4R2FROE/","name":"FEDORA-2019-815807c020","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T17:37:07.366Z"}}]}}}