cve-2024-30386
Vulnerability from cvelistv5
Published
2024-04-12 15:23
Modified
2024-08-02 01:32
Severity ?
5.3 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 (High) - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Summary
Junos OS and Junos OS Evolved: In a EVPN-VXLAN scenario state changes on adjacent systems can cause an l2ald process crash
References
sirt@juniper.nethttp://supportportal.juniper.net/JSA79184
sirt@juniper.nethttps://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Impacted products
Juniper NetworksJunos OS
Juniper NetworksJunos OS Evolved
Show details on NVD website

To clipboard 

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              "value": "A Use-After-Free vulnerability in the\u0026nbsp;\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003eLayer 2 Address Learning Daemon (l2ald)\u003c/span\u003e\n\n of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause l2ald to crash leading to a Denial-of-Service (DoS).\u003cbr\u003e\u003cbr\u003eIn an EVPN-VXLAN scenario,\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ewhen \u003c/span\u003e\n\nstate updates are received and processed by the affected system, the correct order of some processing steps is not ensured, which can lead to an l2ald crash and restart. Whether the crash occurs depends on system internal timing which is outside the attackers control.\u003cbr\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003eJunos OS:\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 20.4R3-S8,\u003c/li\u003e\u003cli\u003e21.2 versions before 21.2R3-S6,\u003c/li\u003e\u003cli\u003e21.3 versions before 21.3R3-S5,\u003c/li\u003e\u003cli\u003e21.4 versions before 21.4R3-S4,\u003c/li\u003e\u003cli\u003e22.1 versions before 22.1R3-S3,\u003c/li\u003e\u003cli\u003e22.2 versions before 22.2R3-S1,\u003c/li\u003e\u003cli\u003e22.3 versions before 22.3R3,,\u003c/li\u003e\u003cli\u003e22.4 versions before 22.4R2;\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eJunos OS Evolved:\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 20.4R3-S8-EVO,\u003c/li\u003e\u003cli\u003e21.2-EVO versions before 21.2R3-S6-EVO,\u0026nbsp;\u003c/li\u003e\u003cli\u003e21.3-EVO\n\n versions before 21.3R3-S5-EVO,\u003c/li\u003e\u003cli\u003e21.4-EVO\n\n versions before 21.4R3-S4-EVO,\u003c/li\u003e\u003cli\u003e22.1-EVO\n\n versions before 22.1R3-S3-EVO,\u003c/li\u003e\u003cli\u003e22.2-EVO\n\n versions before 22.2R3-S1-EVO,\u003c/li\u003e\u003cli\u003e22.3-EVO\n\n versions before 22.3R3-EVO,\u003c/li\u003e\u003cli\u003e22.4-EVO\n\n\u003cspan style=\"background-color: var(--wht);\"\u003e versions before 22.4R2-EVO.\u003c/span\u003e\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-30386\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2024-04-12T16:15:37.650\",\"lastModified\":\"2024-05-16T21:16:08.487\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A Use-After-Free vulnerability in the\u00a0Layer 2 Address Learning Daemon (l2ald)\\n\\n of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause l2ald to crash leading to a Denial-of-Service (DoS).\\n\\nIn an EVPN-VXLAN scenario,\u00a0when \\n\\nstate updates are received and processed by the affected system, the correct order of some processing steps is not ensured, which can lead to an l2ald crash and restart. Whether the crash occurs depends on system internal timing which is outside the attackers control.\\nThis issue affects:\\n\\nJunos OS:\u00a0\\n\\n\\n\\n  *  All versions before 20.4R3-S8,\\n  *  21.2 versions before 21.2R3-S6,\\n  *  21.3 versions before 21.3R3-S5,\\n  *  21.4 versions before 21.4R3-S4,\\n  *  22.1 versions before 22.1R3-S3,\\n  *  22.2 versions before 22.2R3-S1,\\n  *  22.3 versions before 22.3R3,,\\n  *  22.4 versions before 22.4R2;\\n\\n\\n\\n\\nJunos OS Evolved:\u00a0\\n\\n\\n\\n  *  All versions before 20.4R3-S8-EVO,\\n  *  21.2-EVO versions before 21.2R3-S6-EVO,\u00a0\\n  *  21.3-EVO\\n\\n versions before 21.3R3-S5-EVO,\\n  *  21.4-EVO\\n\\n versions before 21.4R3-S4-EVO,\\n  *  22.1-EVO\\n\\n versions before 22.1R3-S3-EVO,\\n  *  22.2-EVO\\n\\n versions before 22.2R3-S1-EVO,\\n  *  22.3-EVO\\n\\n versions before 22.3R3-EVO,\\n  *  22.4-EVO\\n\\n versions before 22.4R2-EVO.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Use-After-Free en el daemon de aprendizaje de direcciones de capa 2 (l2ald) de Juniper Networks Junos OS y Junos OS Evolved permite que un atacante adyacente no autenticado provoque que l2ald falle, lo que provoca una denegaci\u00f3n de servicio (DoS). En un escenario EVPN-VXLAN, cuando el sistema afectado recibe y procesa actualizaciones de estado, no se garantiza el orden correcto de algunos pasos de procesamiento, lo que puede provocar un bloqueo y reinicio de l2ald. Que se produzca el fallo depende de la sincronizaci\u00f3n interna del sistema, que est\u00e1 fuera del control de los atacantes. Este problema afecta a: Junos OS: * Todas las versiones anteriores a 20.4R3-S8, * Versiones 21.2 anteriores a 21.2R3-S6, * Versiones 21.3 anteriores a 21.3R3-S5, * Versiones 21.4 anteriores a 21.4R3-S4, * Versiones 22.1 anteriores a 22.1R3- S3, * 22.2 versiones anteriores a 22.2R3-S1, * 22.3 versiones anteriores a 22.3R3, * 22.4 versiones anteriores a 22.4R2; Junos OS Evolved: * Todas las versiones anteriores a 20.4R3-S8-EVO, * Versiones 21.2-EVO anteriores a 21.2R3-S6-EVO, * Versiones 21.3-EVO anteriores a 21.3R3-S5-EVO, * Versiones 21.4-EVO anteriores a 21.4R3- S4-EVO, *versiones 22.1-EVO anteriores a 22.1R3-S3-EVO, *versiones 22.2-EVO anteriores a 22.2R3-S1-EVO, *versiones 22.3-EVO anteriores a 22.3R3-EVO, *versiones 22.4-EVO anteriores a 22.4R2- EVO.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.6,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"references\":[{\"url\":\"http://supportportal.juniper.net/JSA79184\",\"source\":\"sirt@juniper.net\"},{\"url\":\"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L\",\"source\":\"sirt@juniper.net\"}]}}"
  }
}


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