cve-2024-47494
Vulnerability from cvelistv5
Published
2024-10-11 15:24
Modified
2024-10-11 17:48
Severity ?
EPSS score ?
Summary
Junos OS: Due to a race condition AgentD process causes a memory corruption and FPC reset
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Juniper Networks | Junos OS |
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This reaping attempt then leads to memory corruption causing the FPC to crash which is a Denial of Service (DoS).\n\n\n\n\u003cbr\u003e\u003cbr\u003eThe FPC will recover automatically without user intervention after the crash.\u003cbr\u003e\u003cp\u003eThis issue affects Junos OS:\u0026nbsp;\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before\u0026nbsp;21.4R3-S9\u003c/li\u003e\u003cli\u003eFrom 22.2 before 22.2R3-S5,\u003c/li\u003e\u003cli\u003eFrom 22.3 before 22.3R3-S4,\u003c/li\u003e\u003cli\u003eFrom 22.4 before 22.4R3-S3,\u003c/li\u003e\u003cli\u003eFrom 23.2 before 23.2R2-S2,\u003c/li\u003e\u003cli\u003eFrom 23.4 before 23.4R2.\u003c/li\u003e\u003c/ul\u003eThis issue does not affect Junos OS Evolved.\u003cbr\u003e" } ], "value": "A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the AgentD process of Juniper Networks Junos OS allows an attacker who is already causing impact to established sessions which generates counter changes picked up by the AgentD process during telemetry polling, to move the AgentD process into a state where AgentD attempts to reap an already destroyed sensor. This reaping attempt then leads to memory corruption causing the FPC to crash which is a Denial of Service (DoS).\n\n\n\n\n\nThe FPC will recover automatically without user intervention after the crash.\nThis issue affects Junos OS:\u00a0\n\n * All versions before\u00a021.4R3-S9\n * From 22.2 before 22.2R3-S5,\n * From 22.3 before 22.3R3-S4,\n * From 22.4 before 22.4R3-S3,\n * From 23.2 before 23.2R2-S2,\n * From 23.4 before 23.4R2.\n\n\nThis issue does not affect Junos OS Evolved." } ], "exploits": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] }, { "cvssV4_0": { "Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.2, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "GREEN", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:Y/R:A/RE:L/U:Green", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "LOW" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-367", "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-10-11T15:24:35.820Z", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://supportportal.juniper.net/JSA88121" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue:\u003cbr\u003eJunos OS: 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S3, 23.2R2-S2, 23.4R2, 24.2R1, and all subsequent releases.\u003cbr\u003e\u003cbr\u003e" } ], "value": "The following software releases have been updated to resolve this specific issue:\nJunos OS: 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S3, 23.2R2-S2, 23.4R2, 24.2R1, and all subsequent releases." } ], "source": { "advisory": "JSA88121", "defect": [ "1769294" ], "discovery": "USER" }, "title": "Junos OS: Due to a race condition AgentD process causes a memory corruption and FPC reset", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "There are no known workarounds for this issue." } ], "value": "There are no known workarounds for this issue." } ], "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2024-47494", "datePublished": "2024-10-11T15:24:35.820Z", "dateReserved": "2024-09-25T15:26:52.608Z", "dateUpdated": "2024-10-11T17:48:37.447Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-47494\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2024-10-11T16:15:09.580\",\"lastModified\":\"2024-10-15T12:58:51.050\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the AgentD process of Juniper Networks Junos OS allows an attacker who is already causing impact to established sessions which generates counter changes picked up by the AgentD process during telemetry polling, to move the AgentD process into a state where AgentD attempts to reap an already destroyed sensor. This reaping attempt then leads to memory corruption causing the FPC to crash which is a Denial of Service (DoS).\\n\\n\\n\\n\\n\\nThe FPC will recover automatically without user intervention after the crash.\\nThis issue affects Junos OS:\u00a0\\n\\n * All versions before\u00a021.4R3-S9\\n * From 22.2 before 22.2R3-S5,\\n * From 22.3 before 22.3R3-S4,\\n * From 22.4 before 22.4R3-S3,\\n * From 23.2 before 23.2R2-S2,\\n * From 23.4 before 23.4R2.\\n\\n\\nThis issue does not affect Junos OS Evolved.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de condici\u00f3n de ejecuci\u00f3n de tiempo de verificaci\u00f3n y tiempo de uso (TOCTOU) en el proceso AgentD de Juniper Networks Junos OS permite a un atacante que ya est\u00e1 causando impacto en sesiones establecidas que generan cambios de contador detectados por el proceso AgentD durante el sondeo de telemetr\u00eda, mover el proceso AgentD a un estado donde AgentD intenta cosechar un sensor ya destruido. Este intento de cosecha luego conduce a la corrupci\u00f3n de la memoria que hace que el FPC se bloquee, lo que es una denegaci\u00f3n de servicio (DoS). El FPC se recuperar\u00e1 autom\u00e1ticamente sin la intervenci\u00f3n del usuario despu\u00e9s del bloqueo. Este problema afecta a Junos OS: * Todas las versiones anteriores a 21.4R3-S9 * Desde 22.2 antes de 22.2R3-S5, * Desde 22.3 antes de 22.3R3-S4, * Desde 22.4 antes de 22.4R3-S3, * Desde 23.2 antes de 23.2R2-S2, * Desde 23.4 antes de 23.4R2. Este problema no afecta a Junos OS Evolved.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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:Y/R:A/V:X/RE:L/U:Green\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnerableSystemConfidentiality\":\"NONE\",\"vulnerableSystemIntegrity\":\"NONE\",\"vulnerableSystemAvailability\":\"HIGH\",\"subsequentSystemConfidentiality\":\"NONE\",\"subsequentSystemIntegrity\":\"NONE\",\"subsequentSystemAvailability\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirements\":\"NOT_DEFINED\",\"integrityRequirements\":\"NOT_DEFINED\",\"availabilityRequirements\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnerableSystemConfidentiality\":\"NOT_DEFINED\",\"modifiedVulnerableSystemIntegrity\":\"NOT_DEFINED\",\"modifiedVulnerableSystemAvailability\":\"NOT_DEFINED\",\"modifiedSubsequentSystemConfidentiality\":\"NOT_DEFINED\",\"modifiedSubsequentSystemIntegrity\":\"NOT_DEFINED\",\"modifiedSubsequentSystemAvailability\":\"NOT_DEFINED\",\"safety\":\"NOT_DEFINED\",\"automatable\":\"YES\",\"recovery\":\"AUTOMATIC\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"LOW\",\"providerUrgency\":\"GREEN\",\"baseScore\":8.2,\"baseSeverity\":\"HIGH\"}}],\"cvssMetricV31\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-367\"}]}],\"references\":[{\"url\":\"https://supportportal.juniper.net/JSA88121\",\"source\":\"sirt@juniper.net\"}]}}" } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.