cve-2020-1649
Vulnerability from cvelistv5
Published
2020-07-17 18:40
Modified
2024-09-16 20:47
Severity ?
EPSS score ?
Summary
Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of small fragments requiring reassembly
References
Impacted products
| ▼ | Vendor | Product |
|---|---|---|
| Juniper Networks | Junos OS |
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"nvd": "{\"cve\":{\"id\":\"CVE-2020-1649\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2020-07-17T19:15:13.377\",\"lastModified\":\"2021-07-21T11:39:23.747\",\"vulnStatus\":\"Analyzed\",\"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.\"},{\"lang\":\"es\",\"value\":\"Cuando un dispositivo que ejecuta Juniper Networks Junos OS con tarjetas de l\u00ednea MPC7, MPC8 o MPC9 instaladas y el sistema est\u00e1 configurado para el reensamblado de IP en l\u00ednea, utilizado por L2TP, MAP-E, GRE e IPIP, el motor de reenv\u00edo de paquetes (PFE) cambiar\u00e1 a deshabilitado al recibir fragmentos peque\u00f1os que requieren reensamblado, generando los siguientes mensajes de error: [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. Al enviar continuamente paquetes fragmentados que no se pueden volver a ensamblar, un atacante puede deshabilitar de forma repetida el PFE causando una Denegaci\u00f3n de Servicio (DoS) sostenida. Este problema afecta a Juniper Networks Junos OS: versiones 17.2 anteriores a 17.2R3-S4 en la Serie MX; versiones 17.3 anteriores a 17.3R3-S8 en la Serie MX; versiones 17.4 anteriores a 17.4R2-S9, 17.4R3-S1 en la Serie MX; versiones 18.1 anteriores a 18.1R3-S10 en la Serie MX; versiones 18.2 anteriores a 18.2R2-S6, 18.2R3-S3 en la Serie MX; versiones 18.2X75 anteriores a 18.2X75-D34, 18.2X75-D41, 18.2X75-D53, 18.2X75-D65, 18.2X75-D430 en la Serie MX; versiones 18.3 anteriores a 18.3R1-S7, 18.3R2-S4, 18.3R3-S2 en la Serie MX; versiones 18.4 anteriores a 18.4R1-S6, 18.4R2-S4, 18.4R3 en la Serie MX; versiones 19.1 anteriores a 19.1R1-S4, 19.1R2-S1, 19.1R3 en la Serie MX; versiones 19.2 anteriores a 19.2R1-S3, 19.2R2 en la Serie MX; versiones 19.3 anteriores a 19.3R2-S2, 19.3R3 en la Serie MX. Este problema es espec\u00edfico del reensamblado de IP en l\u00ednea, introducido en Junos OS versi\u00f3n 17.2. Las versiones de Junos OS anteriores a 17.2 no est\u00e1n afectadas por esta 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Advisory\"]},{\"url\":\"https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l2tp-lns-inline-service-interfaces.html\",\"source\":\"sirt@juniper.net\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.