fkie_cve-2024-30386
Vulnerability from fkie_nvd
Published
2024-04-12 16:15
Modified
2025-02-06 20:36
Severity ?
Summary
A Use-After-Free vulnerability in the Layer 2 Address Learning Daemon (l2ald)
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).
In an EVPN-VXLAN scenario, when
state 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.
This issue affects:
Junos OS:
* All versions before 20.4R3-S8,
* 21.2 versions before 21.2R3-S6,
* 21.3 versions before 21.3R3-S5,
* 21.4 versions before 21.4R3-S4,
* 22.1 versions before 22.1R3-S3,
* 22.2 versions before 22.2R3-S1,
* 22.3 versions before 22.3R3,,
* 22.4 versions before 22.4R2;
Junos OS Evolved:
* All versions before 20.4R3-S8-EVO,
* 21.2-EVO versions before 21.2R3-S6-EVO,
* 21.3-EVO
versions before 21.3R3-S5-EVO,
* 21.4-EVO
versions before 21.4R3-S4-EVO,
* 22.1-EVO
versions before 22.1R3-S3-EVO,
* 22.2-EVO
versions before 22.2R3-S1-EVO,
* 22.3-EVO
versions before 22.3R3-EVO,
* 22.4-EVO
versions before 22.4R2-EVO.
References
Impacted products
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"cveTags": [],
"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."
}
],
"id": "CVE-2024-30386",
"lastModified": "2025-02-06T20:36:32.980",
"metrics": {
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"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"source": "sirt@juniper.net",
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{
"cvssData": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"automatable": "NOT_DEFINED",
"availabilityRequirements": "NOT_DEFINED",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityRequirements": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirements": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubsequentSystemAvailability": "NOT_DEFINED",
"modifiedSubsequentSystemConfidentiality": "NOT_DEFINED",
"modifiedSubsequentSystemIntegrity": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnerableSystemAvailability": "NOT_DEFINED",
"modifiedVulnerableSystemConfidentiality": "NOT_DEFINED",
"modifiedVulnerableSystemIntegrity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"recovery": "NOT_DEFINED",
"safety": "NOT_DEFINED",
"subsequentSystemAvailability": "LOW",
"subsequentSystemConfidentiality": "NONE",
"subsequentSystemIntegrity": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"vulnerableSystemAvailability": "HIGH",
"vulnerableSystemConfidentiality": "NONE",
"vulnerableSystemIntegrity": "NONE"
},
"source": "sirt@juniper.net",
"type": "Secondary"
}
]
},
"published": "2024-04-12T16:15:37.650",
"references": [
{
"source": "sirt@juniper.net",
"tags": [
"Vendor Advisory"
],
"url": "http://supportportal.juniper.net/JSA79184"
},
{
"source": "sirt@juniper.net",
"tags": [
"Issue Tracking"
],
"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": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://supportportal.juniper.net/JSA79184"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking"
],
"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"
}
],
"sourceIdentifier": "sirt@juniper.net",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "sirt@juniper.net",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.