FKIE_CVE-2020-1670
Vulnerability from fkie_nvd - Published: 2020-10-16 21:15 - Updated: 2024-11-21 05:11
Severity
Summary
On Juniper Networks EX4300 Series, receipt of a stream of specific IPv4 packets can cause Routing Engine (RE) high CPU load, which could lead to network protocol operation issue and traffic interruption. This specific packets can originate only from within the broadcast domain where the device is connected. This issue occurs when the packets enter to the IRB interface. Only IPv4 packets can trigger this issue. IPv6 packets cannot trigger this issue. This issue affects Juniper Networks Junos OS on EX4300 series: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R3-S4; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R2-S2, 19.1R3-S1; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2; 20.1 versions prior to 20.1R1-S3, 20.1R2.
References
| URL | Tags | ||
|---|---|---|---|
| sirt@juniper.net | https://kb.juniper.net/ | Vendor Advisory | |
| nvd@nist.gov | https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11067&actp=SUBSCRIPTION | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://kb.juniper.net/ | Vendor Advisory |
Impacted products
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "On Juniper Networks EX4300 Series, receipt of a stream of specific IPv4 packets can cause Routing Engine (RE) high CPU load, which could lead to network protocol operation issue and traffic interruption. This specific packets can originate only from within the broadcast domain where the device is connected. This issue occurs when the packets enter to the IRB interface. Only IPv4 packets can trigger this issue. IPv6 packets cannot trigger this issue. This issue affects Juniper Networks Junos OS on EX4300 series: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R3-S4; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R2-S2, 19.1R3-S1; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2; 20.1 versions prior to 20.1R1-S3, 20.1R2."
},
{
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"value": "En Juniper Networks EX4300 Series, la recepci\u00f3n de un flujo de paquetes IPv4 espec\u00edficos puede causar una alta carga de CPU del Routing Engine (RE), lo que podr\u00eda conllevar a problemas de funcionamiento del protocolo de red e interrupciones del tr\u00e1fico.\u0026#xa0;Estos paquetes espec\u00edficos pueden originarse solo desde dentro del dominio de transmisi\u00f3n donde est\u00e1 conectado el dispositivo.\u0026#xa0;Este problema ocurre cuando los paquetes ingresan a la interfaz IRB.\u0026#xa0;Solo los paquetes IPv4 pueden desencadenar este problema.\u0026#xa0;Los paquetes IPv6 no pueden desencadenar este problema.\u0026#xa0;Este problema afecta a Juniper Networks Junos OS en EX4300 series: versiones 17.3 anteriores a 17.3R3-S9;\u0026#xa0;versiones 17.4 anteriores a 17.4R2-S11, 17.4R3-S2;\u0026#xa0;versiones 18.1 anteriores a 18.1R3-S10;\u0026#xa0;versiones 18.2 anteriores a 18.2R3-S4;\u0026#xa0;versiones 18.3 anteriores a 18.3R2-S4, 18.3R3-S2;\u0026#xa0;versiones 18.4 anteriores a 18.4R2-S4, 18.4R3-S2;\u0026#xa0;versiones 19.1 anteriores a 19.1R2-S2, 19.1R3-S1;\u0026#xa0;versiones 19.2 anteriores a 19.2R1-S5, 19.2R2-S1, 19.2R3;\u0026#xa0;versiones 19.\u0026#xa0;3 anteriores a 19.3R2-S4, 19.3R3;\u0026#xa0;versiones 19.4 anteriores a 19.4R1-S3, 19.4R2;\u0026#xa0;versiones 20.1 anteriores a 20.1R1-S3, 20.1R2"
}
],
"id": "CVE-2020-1670",
"lastModified": "2024-11-21T05:11:07.620",
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"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"published": "2020-10-16T21:15:12.957",
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{
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"tags": [
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{
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],
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]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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