cve-2020-1686
Vulnerability from cvelistv5
Published
2020-10-16 20:31
Modified
2024-09-16 16:52
Severity ?
EPSS score ?
Summary
Junos OS: Kernel crash (vmcore) upon receipt of a malformed IPv6 packet.
References
▼ | URL | Tags | |
---|---|---|---|
sirt@juniper.net | https://kb.juniper.net/JSA11083 | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Juniper Networks | Junos OS |
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This issue can be trigged by a malformed IPv6 packet destined to the Routing Engine. An attacker can repeatedly send the offending packet resulting in an extended Denial of Service condition. Only IPv6 packets can trigger this issue. IPv4 packets cannot trigger this issue. This issue affects Juniper Networks Junos OS 18.4 versions prior to 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. 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This issue does not affect Juniper Networks Junos OS prior to 18.4R1." } ] }, "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": "CWE-415 Double Free" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.juniper.net/JSA11083", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11083" } ] }, "solution": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 18.4R2-S4, 18.4R3-S1, 19.1R2-S1, 19.1R3, 19.2R1-S5, 19.2R2, 19.3R2-S4, 19.3R3, 19.4R1-S3, 19.4R2, 19.4R2-S1, 20.1R1, and all subsequent releases." } ], "source": { "advisory": "JSA11083", "defect": [ "1486948" ], "discovery": "USER" }, "work_around": [ { "lang": "en", "value": "Standard security best common practices such as limiting packet toward the RE only from trusted networks/host using firewall filter in combination with source address anti-spoofing should be applied to reduce the risk of exposure." } ] } } }, "cveMetadata": { "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2020-1686", "datePublished": "2020-10-16T20:31:37.166328Z", "dateReserved": "2019-11-04T00:00:00", "dateUpdated": "2024-09-16T16:52:42.618Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2020-1686\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2020-10-16T21:15:14.257\",\"lastModified\":\"2022-10-19T17:21:45.080\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"On Juniper Networks Junos OS devices, receipt of a malformed IPv6 packet may cause the system to crash and restart (vmcore). This issue can be trigged by a malformed IPv6 packet destined to the Routing Engine. An attacker can repeatedly send the offending packet resulting in an extended Denial of Service condition. Only IPv6 packets can trigger this issue. IPv4 packets cannot trigger this issue. This issue affects Juniper Networks Junos OS 18.4 versions prior to 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. This issue does not affect Juniper Networks Junos OS prior to 18.4R1.\"},{\"lang\":\"es\",\"value\":\"En dispositivos Juniper Networks Junos OS, la recepci\u00f3n de un paquete IPv6 malformado puede causar que el sistema se bloquee y se reinicie (vmcore). Este problema puede ser desencadenado por un paquete IPv6 malformado destinado al Motor de Enrutamiento. Un atacante puede enviar repetidamente el paquete infractor, resultando en una condici\u00f3n de Denegaci\u00f3n de Servicio extendida. Solo los paquetes IPv6 pueden desencadenar este problema. Los paquetes IPv4 no pueden desencadenar este problema. Este problema afecta a Juniper Networks Junos OS versiones 18.4 anteriores a 18.4R2-S4, 18.4R3-S1; versiones 19.1 anteriores a 19.1R2-S1, 19.1R3; versiones 19.2 anteriores a 19.2R1-S5, 19.2R2; versiones 19.3 anteriores a 19.3R2-S4, 19.3R3; versiones 19.4 anteriores a 19.4R1-S3, 19.4R2. Este problema no afecta a Juniper Networks Junos OS anterior a versi\u00f3n 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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.