{"containers":{"cna":{"affected":[{"platforms":["MX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"17.2","status":"unaffected","version":"unspecified","versionType":"custom"},{"lessThan":"17.2R3-S4","status":"affected","version":"17.2","versionType":"custom"},{"lessThan":"17.3R3-S8","status":"affected","version":"17.3","versionType":"custom"},{"lessThan":"17.4R2-S9, 17.4R3-S1","status":"affected","version":"17.4","versionType":"custom"},{"lessThan":"18.1R3-S10","status":"affected","version":"18.1","versionType":"custom"},{"lessThan":"18.2R2-S6, 18.2R3-S3","status":"affected","version":"18.2","versionType":"custom"},{"lessThan":"18.2X75-D34, 18.2X75-D41, 18.2X75-D53, 18.2X75-D65, 18.2X75-D430","status":"affected","version":"18.2X75","versionType":"custom"},{"lessThan":"18.3R1-S7, 18.3R2-S4, 18.3R3-S2","status":"affected","version":"18.3","versionType":"custom"},{"lessThan":"18.4R1-S6, 18.4R2-S4, 18.4R3","status":"affected","version":"18.4","versionType":"custom"},{"lessThan":"19.1R1-S4, 19.1R2-S1, 19.1R3","status":"affected","version":"19.1","versionType":"custom"},{"lessThan":"19.2R1-S3, 19.2R2","status":"affected","version":"19.2","versionType":"custom"},{"lessThan":"19.3R2-S2, 19.3R3","status":"affected","version":"19.3","versionType":"custom"}]}],"configurations":[{"lang":"en","value":"A sample configuration for enabling inline IP reassembly is shown below:\n\n  set chassis fpc 8 pic 0 inline-services bandwidth 100g\n\nNote: Explicitly specifying a bandwidth for L2TP LNS tunnel traffic using inline services is not required.  When a bandwidth is not specified, the maximum bandwidth supported on the PIC is automatically available for the inline services."}],"datePublic":"2020-07-08T00:00:00.000Z","descriptions":[{"lang":"en","value":"When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E, GRE, and IPIP, the packet forwarding engine (PFE) will become disabled upon receipt of small fragments requiring reassembly, generating the following error messages: [LOG: Err] MQSS(2): WO: Packet Error - Error Packets 1, Connection 29 [LOG: Err] eachip_hmcif_rx_intr_handler(7259): EA[2:0]: HMCIF Rx: Injected checksum error detected on WO response - Chunk Address 0x0 [LOG: Err] MQSS(2): DRD: RORD1: CMD reorder ID error - Command 11, Reorder ID 1960, QID 0 [LOG: Err] MQSS(2): DRD: UNROLL0: HMC chunk address error in stage 5 - Chunk Address: 0xc38fb1 [LOG: Notice] Error: /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc), scope: pfe, category: functional, severity: major, module: MQSS(2), type: DRD_RORD_ENG_INT: CMD FSM State Error [LOG: Notice] Performing action cmalarm for error /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc) in module: MQSS(2) with scope: pfe category: functional level: major [LOG: Notice] Performing action get-state for error /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc) in module: MQSS(2) with scope: pfe category: functional level: major [LOG: Notice] Performing action disable-pfe for error /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc) in module: MQSS(2) with scope: pfe category: functional level: major By continuously sending fragmented packets that cannot be reassembled, an attacker can repeatedly disable the PFE causing a sustained Denial of Service (DoS). This issue affects Juniper Networks Junos OS: 17.2 versions prior to 17.2R3-S4 on MX Series; 17.3 versions prior to 17.3R3-S8 on MX Series; 17.4 versions prior to 17.4R2-S9, 17.4R3-S1 on MX Series; 18.1 versions prior to 18.1R3-S10 on MX Series; 18.2 versions prior to 18.2R2-S6, 18.2R3-S3 on MX Series; 18.2X75 versions prior to 18.2X75-D34, 18.2X75-D41, 18.2X75-D53, 18.2X75-D65, 18.2X75-D430 on MX Series; 18.3 versions prior to 18.3R1-S7, 18.3R2-S4, 18.3R3-S2 on MX Series; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3 on MX Series; 19.1 versions prior to 19.1R1-S4, 19.1R2-S1, 19.1R3 on MX Series; 19.2 versions prior to 19.2R1-S3, 19.2R2 on MX Series; 19.3 versions prior to 19.3R2-S2, 19.3R3 on MX Series. This issue is specific to inline IP reassembly, introduced in Junos OS 17.2. Versions of Junos OS prior to 17.2 are unaffected by this vulnerability."}],"exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2020-07-17T18:40:42.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://kb.juniper.net/JSA11036"},{"tags":["x_refsource_MISC"],"url":"https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l2tp-lns-inline-service-interfaces.html"}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: Junos OS 17.2R3-S4, 17.3R3-S8, 17.4R2-S9, 17.4R3-S1, 18.1R3-S10, 18.2R2-S6, 18.2R3-S3, 18.2X75-D34, 18.2X75-D41, 18.2X75-D53, 18.2X75-D65, 18.2X75-D430, 18.3R1-S7, 18.3R2-S4, 18.3R3-S2, 18.4R1-S6, 18.4R2-S4, 18.4R3, 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2R1-S3, 19.2R2, 19.3R2-S2, 19.3R3, 19.4R1, 19.4R2, 20.1R1, and all subsequent releases."}],"source":{"advisory":"JSA11036","defect":["1465490"],"discovery":"USER"},"title":"Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of small fragments requiring reassembly","workarounds":[{"lang":"en","value":"There are no available workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2020-07-08T16:00:00.000Z","ID":"CVE-2020-1649","STATE":"PUBLIC","TITLE":"Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of small fragments requiring reassembly"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"platform":"MX Series","version_affected":"!<","version_value":"17.2"},{"platform":"MX Series","version_affected":"<","version_name":"17.2","version_value":"17.2R3-S4"},{"platform":"MX Series","version_affected":"<","version_name":"17.3","version_value":"17.3R3-S8"},{"platform":"MX Series","version_affected":"<","version_name":"17.4","version_value":"17.4R2-S9, 17.4R3-S1"},{"platform":"MX Series","version_affected":"<","version_name":"18.1","version_value":"18.1R3-S10"},{"platform":"MX Series","version_affected":"<","version_name":"18.2","version_value":"18.2R2-S6, 18.2R3-S3"},{"platform":"MX Series","version_affected":"<","version_name":"18.2X75","version_value":"18.2X75-D34, 18.2X75-D41, 18.2X75-D53, 18.2X75-D65, 18.2X75-D430"},{"platform":"MX Series","version_affected":"<","version_name":"18.3","version_value":"18.3R1-S7, 18.3R2-S4, 18.3R3-S2"},{"platform":"MX Series","version_affected":"<","version_name":"18.4","version_value":"18.4R1-S6, 18.4R2-S4, 18.4R3"},{"platform":"MX Series","version_affected":"<","version_name":"19.1","version_value":"19.1R1-S4, 19.1R2-S1, 19.1R3"},{"platform":"MX Series","version_affected":"<","version_name":"19.2","version_value":"19.2R1-S3, 19.2R2"},{"platform":"MX Series","version_affected":"<","version_name":"19.3","version_value":"19.3R2-S2, 19.3R3"}]}}]},"vendor_name":"Juniper Networks"}]}},"configuration":[{"lang":"en","value":"A sample configuration for enabling inline IP reassembly is shown below:\n\n  set chassis fpc 8 pic 0 inline-services bandwidth 100g\n\nNote: Explicitly specifying a bandwidth for L2TP LNS tunnel traffic using inline services is not required.  When a bandwidth is not specified, the maximum bandwidth supported on the PIC is automatically available for the inline services."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E, GRE, and IPIP, the packet forwarding engine (PFE) will become disabled upon receipt of small fragments requiring reassembly, generating the following error messages: [LOG: Err] MQSS(2): WO: Packet Error - Error Packets 1, Connection 29 [LOG: Err] eachip_hmcif_rx_intr_handler(7259): EA[2:0]: HMCIF Rx: Injected checksum error detected on WO response - Chunk Address 0x0 [LOG: Err] MQSS(2): DRD: RORD1: CMD reorder ID error - Command 11, Reorder ID 1960, QID 0 [LOG: Err] MQSS(2): DRD: UNROLL0: HMC chunk address error in stage 5 - Chunk Address: 0xc38fb1 [LOG: Notice] Error: /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc), scope: pfe, category: functional, severity: major, module: MQSS(2), type: DRD_RORD_ENG_INT: CMD FSM State Error [LOG: Notice] Performing action cmalarm for error /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc) in module: MQSS(2) with scope: pfe category: functional level: major [LOG: Notice] Performing action get-state for error /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc) in module: MQSS(2) with scope: pfe category: functional level: major [LOG: Notice] Performing action disable-pfe for error /fpc/0/pfe/0/cm/0/MQSS(2)/2/MQSS_CMERROR_DRD_RORD_ENG_INT_REG_CMD_FSM_STATE_ERR (0x2203cc) in module: MQSS(2) with scope: pfe category: functional level: major By continuously sending fragmented packets that cannot be reassembled, an attacker can repeatedly disable the PFE causing a sustained Denial of Service (DoS). This issue affects Juniper Networks Junos OS: 17.2 versions prior to 17.2R3-S4 on MX Series; 17.3 versions prior to 17.3R3-S8 on MX Series; 17.4 versions prior to 17.4R2-S9, 17.4R3-S1 on MX Series; 18.1 versions prior to 18.1R3-S10 on MX Series; 18.2 versions prior to 18.2R2-S6, 18.2R3-S3 on MX Series; 18.2X75 versions prior to 18.2X75-D34, 18.2X75-D41, 18.2X75-D53, 18.2X75-D65, 18.2X75-D430 on MX Series; 18.3 versions prior to 18.3R1-S7, 18.3R2-S4, 18.3R3-S2 on MX Series; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3 on MX Series; 19.1 versions prior to 19.1R1-S4, 19.1R2-S1, 19.1R3 on MX Series; 19.2 versions prior to 19.2R1-S3, 19.2R2 on MX Series; 19.3 versions prior to 19.3R2-S2, 19.3R3 on MX Series. This issue is specific to inline IP reassembly, introduced in Junos OS 17.2. Versions of Junos OS prior to 17.2 are unaffected by this vulnerability."}]},"exploit":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"generator":{"engine":"Vulnogram 0.0.9"},"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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Denial of Service (DoS)"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA11036","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA11036"},{"name":"https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l2tp-lns-inline-service-interfaces.html","refsource":"MISC","url":"https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l2tp-lns-inline-service-interfaces.html"}]},"solution":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: Junos OS 17.2R3-S4, 17.3R3-S8, 17.4R2-S9, 17.4R3-S1, 18.1R3-S10, 18.2R2-S6, 18.2R3-S3, 18.2X75-D34, 18.2X75-D41, 18.2X75-D53, 18.2X75-D65, 18.2X75-D430, 18.3R1-S7, 18.3R2-S4, 18.3R3-S2, 18.4R1-S6, 18.4R2-S4, 18.4R3, 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2R1-S3, 19.2R2, 19.3R2-S2, 19.3R3, 19.4R1, 19.4R2, 20.1R1, and all subsequent releases."}],"source":{"advisory":"JSA11036","defect":["1465490"],"discovery":"USER"},"work_around":[{"lang":"en","value":"There are no available workarounds for this issue."}]}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T06:46:29.901Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://kb.juniper.net/JSA11036"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l2tp-lns-inline-service-interfaces.html"}]}]},"cveMetadata":{"assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","cveId":"CVE-2020-1649","datePublished":"2020-07-17T18:40:42.707Z","dateReserved":"2019-11-04T00:00:00.000Z","dateUpdated":"2024-09-16T20:47:03.484Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}