{ "CVE_data_meta": { "ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2023-04-12T16:00:00.000Z", "ID": "CVE-2023-28959", "STATE": "PUBLIC", "TITLE": "Junos OS: QFX10002: PFE wedges and restarts upon receipt of specific malformed packets" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Junos OS", "version": { "version_data": [ { "platform": "QFX10002", "version_affected": "<", "version_value": "19.1R3-S10" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "19.4", "version_value": "19.4R3-S11" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "20.2", "version_value": "20.2R3-S7" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "20.4", "version_value": "20.4R3-S6" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "21.1", "version_value": "21.1R3-S4" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "21.2", "version_value": "21.2R3-S4" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "21.3", "version_value": "21.3R3-S3" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "21.4", "version_value": "21.4R3-S2" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "22.1", "version_value": "22.1R3-S1" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "22.2", "version_value": "22.2R2-S1, 22.2R3" }, { "platform": "QFX10002", "version_affected": "<", "version_name": "22.3", "version_value": "22.3R1-S2, 22.3R2" } ] } } ] }, "vendor_name": "Juniper Networks" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An Improper Check or Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on QFX10002 allows an unauthenticated, adjacent attacker on the local broadcast domain sending a malformed packet to the device, causing all PFEs other than the inbound PFE to wedge and to eventually restart, resulting in a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue can only be triggered by sending a specific malformed packet to the device. Transit traffic does not trigger this issue. An indication of this issue occurring can be seen through the following log messages: fpc0 expr_hostbound_packet_handler: Receive pe 73? fpc0 Cmerror Op Set: PE Chip: PE0[0]: PGQ:misc_intr: 0x00000020: Enqueue of a packet with out-of-range VOQ in 192K-VOQ mode (URI: /fpc/0/pfe/0/cm/0/PE_Chip/0/PECHIP_CMERROR_PGQ_MISC_INT_EVENTS_ENQ_192K_VIOL) The logs list below can also be observed when this issue occurs fpc0 Error: /fpc/0/pfe/0/cm/0/PE_Chip/0/PECHIP_CMERROR_PGQ_MISC_INT_EVENTS_ENQ_192K_VIOL (0x210107), scope: pfe, category: functional, severity: major, module: PE Chip, type: Description for PECHIP_CMERROR_PGQ_MISC_INT_EVENTS_ENQ_192K_VIOL fpc0 Performing action cmalarm for error /fpc/0/pfe/0/cm/0/PE_Chip/0/PECHIP_CMERROR_PGQ_MISC_INT_EVENTS_ENQ_192K_VIOL (0x210107) in module: PE Chip with scope: pfe category: functional level: major fpc0 Error: /fpc/0/pfe/0/cm/0/PE_Chip/0/PECHIP_CMERROR_CM_INT_REG_DCHK_PIPE (0x21011a), scope: pfe, category: functional, severity: fatal, module: PE Chip, type: Description for PECHIP_CMERROR_CM_INT_REG_DCHK_PIPE fpc0 Performing action cmalarm for error /fpc/0/pfe/0/cm/0/PE_Chip/0/PECHIP_CMERROR_CM_INT_REG_DCHK_PIPE (0x21011a) in module: PE Chip with scope: pfe category: functional level: fatal fpc0 Performing action disable-pfe for error /fpc/0/pfe/0/cm/0/PE_Chip/0/PECHIP_CMERROR_CM_INT_REG_DCHK_PIPE (0x21011a) in module: PE Chip with scope: pfe category: functional level: fatal This issue affects Juniper Networks Junos OS on QFX10002: All versions prior to 19.1R3-S10; 19.4 versions prior to 19.4R3-S11; 20.2 versions prior to 20.2R3-S7; 20.4 versions prior to 20.4R3-S6; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3-S2; 22.1 versions prior to 22.1R3-S1; 22.2 versions prior to 22.2R2-S1, 22.2R3; 22.3 versions prior to 22.3R1-S2, 22.3R2." } ] }, "exploit": [ { "lang": "eng", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-703 Improper Check or Handling of Exceptional Conditions" } ] } ] }, "references": { "reference_data": [ { "name": "https://supportportal.juniper.net/JSA70584", "refsource": "CONFIRM", "url": "https://supportportal.juniper.net/JSA70584" } ] }, "solution": [ { "lang": "eng", "value": "The following software releases have been updated to resolve this specific issue: 19.4R3-S11, 20.2R3-S7, 20.4R3-S6, 21.1R3-S4, 21.2R3-S4, 21.3R3-S3, 21.4R3-S2, 22.1R3-S1, 22.2R2-S1, 22.2R3, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases.\n" } ], "source": { "advisory": "JSA70584", "defect": [ "1686793" ], "discovery": "USER" }, "work_around": [ { "lang": "eng", "value": "There are no available workarounds for this issue." } ] }