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CVE-2024-39511 (GCVE-0-2024-39511)

Vulnerability from cvelistv5 – Published: 2024-07-10 22:58 – Updated: 2024-08-02 04:26
VLAI
Title
Junos OS: The 802.1X Authentication Daemon crashes on running a specific command
Summary
An Improper Input Validation vulnerability in the 802.1X Authentication (dot1x) Daemon of Juniper Networks Junos OS allows a local, low-privileged attacker with access to the CLI to cause a Denial of Service (DoS). On running a specific operational dot1x command, the dot1x daemon crashes. An attacker can cause a sustained DoS condition by running this command repeatedly. When the crash occurs, the authentication status of any 802.1x clients is cleared, and any authorized dot1x port becomes unauthorized. The client cannot re-authenticate until the dot1x daemon restarts. This issue affects Junos OS: * All versions before 20.4R3-S10; * 21.2 versions before 21.2R3-S7; * 21.4 versions before 21.4R3-S6; * 22.1 versions before 22.1R3-S5; * 22.2 versions before 22.2R3-S3; * 22.3 versions before 22.3R3-S2; * 22.4 versions before 22.4R3-S1; * 23.2 versions before 23.2R2.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-11 13:41 UTC
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version CPE status
Juniper Networks Junos OS Affected: 0 , < 20.4R3-S10 (semver)
Affected: 21.2 , < 21.2R3-S7 (semver)
Affected: 21.4 , < 21.4R3-S6 (semver)
Affected: 22.1 , < 22.1R3-S5 (semver)
Affected: 22.2 , < 22.2R3-S3 (semver)
Affected: 22.3 , < 22.3R3-S2 (semver)
Affected: 22.4 , < 22.4R3-S1 (semver)
Affected: 23.2 , < 23.2R2 (semver)
guessed Create a notification for this product.
Date Public
2024-07-10 16:00
Show details on NVD website
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The client cannot re-authenticate until the dot1x daemon restarts.\\n\\nThis issue affects Junos OS:\\n  *  All versions before 20.4R3-S10;\\n  *  21.2 versions before 21.2R3-S7;\\n  *  21.4 versions before 21.4R3-S6;\\n  *  22.1 versions before 22.1R3-S5;\\n  *  22.2 versions before 22.2R3-S3;\\n  *  22.3 versions before 22.3R3-S2;\\n  *  22.4 versions before 22.4R3-S1;\\n  *  23.2 versions before 23.2R2.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de validaci\u00f3n de entrada incorrecta en el demonio de autenticaci\u00f3n 802.1X (dot1x) de Juniper Networks Junos OS permite que un atacante local con pocos privilegios y acceso a la CLI provoque una denegaci\u00f3n de servicio (DoS). Al ejecutar un comando operativo dot1x espec\u00edfico, el demonio dot1x falla. Un atacante puede provocar una condici\u00f3n DoS sostenida ejecutando este comando repetidamente. 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    "redhat_vex": {
      "current_release_date": "2025-05-28T22:01:38+00:00",
      "cve": "CVE-2024-39511",
      "id": "CVE-2024-39511",
      "initial_release_date": "2024-07-10T16:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Junos OS: The 802.1X Authentication Daemon crashes on running a specific command",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-39511.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-39511\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-07-11T13:41:20.299537Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-07-11T13:41:25.735Z\"}}], \"cna\": {\"title\": \"Junos OS: The 802.1X Authentication Daemon crashes on running a specific command\", \"source\": {\"defect\": [\"1776503\"], \"advisory\": \"JSA82976\", \"discovery\": \"USER\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}, {\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 6.8, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"LOW\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Juniper Networks\", \"product\": \"Junos OS\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"20.4R3-S10\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.2\", \"lessThan\": \"21.2R3-S7\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.4\", \"lessThan\": \"21.4R3-S6\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.1\", \"lessThan\": \"22.1R3-S5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.2\", \"lessThan\": \"22.2R3-S3\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.3\", \"lessThan\": \"22.3R3-S2\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.4\", \"lessThan\": \"22.4R3-S1\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"23.2\", \"lessThan\": \"23.2R2\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"exploits\": [{\"lang\": \"eng\", \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\", \"base64\": false}]}], \"solutions\": [{\"lang\": \"eng\", \"value\": \"The following software releases have been updated to resolve this specific issue: 20.4R3-S10, 21.2R3-S7, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3-S1, 23.2R2, 23.4R1, and all subsequent releases.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"The following software releases have been updated to resolve this specific issue: 20.4R3-S10, 21.2R3-S7, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3-S1, 23.2R2, 23.4R1, and all subsequent releases.\", \"base64\": false}]}], \"datePublic\": \"2024-07-10T16:00:00.000Z\", \"references\": [{\"url\": \"https://supportportal.juniper.net/JSA82976\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"There are no known workarounds for this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"There are no known workarounds for this issue.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Improper Input Validation vulnerability in the 802.1X Authentication (dot1x) Daemon of Juniper Networks Junos OS allows a local, low-privileged attacker with access to the CLI to cause a Denial of Service (DoS).\\n\\nOn running a specific operational dot1x command, the dot1x daemon crashes. An attacker can cause a sustained DoS condition by running this command repeatedly.\\n\\nWhen the crash occurs, the authentication status of any 802.1x clients is cleared, and any authorized dot1x port becomes unauthorized.  The client cannot re-authenticate until the dot1x daemon restarts.\\n\\nThis issue affects Junos OS:\\n  *  All versions before 20.4R3-S10;\\n  *  21.2 versions before 21.2R3-S7;\\n  *  21.4 versions before 21.4R3-S6;\\n  *  22.1 versions before 22.1R3-S5;\\n  *  22.2 versions before 22.2R3-S3;\\n  *  22.3 versions before 22.3R3-S2;\\n  *  22.4 versions before 22.4R3-S1;\\n  *  23.2 versions before 23.2R2.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An Improper Input Validation vulnerability in the 802.1X Authentication (dot1x) Daemon of Juniper Networks Junos OS allows a local, low-privileged attacker with access to the CLI to cause a Denial of Service (DoS).\u003cbr\u003e\u003cbr\u003eOn running a specific operational dot1x command, the dot1x daemon crashes. An attacker can cause a sustained DoS condition by running this command repeatedly.\u003cbr\u003e\u003cbr\u003eWhen the crash occurs, the authentication status of any 802.1x clients is cleared, and any authorized dot1x port becomes unauthorized.  The client cannot re-authenticate until the dot1x daemon restarts.\u003cbr\u003e\u003cbr\u003eThis issue affects Junos OS:\u003cbr\u003e\u003cul\u003e\u003cli\u003eAll versions before 20.4R3-S10;\u003c/li\u003e\u003cli\u003e21.2 versions before 21.2R3-S7;\u003c/li\u003e\u003cli\u003e21.4 versions before 21.4R3-S6;\u003c/li\u003e\u003cli\u003e22.1 versions before 22.1R3-S5;\u003c/li\u003e\u003cli\u003e22.2 versions before 22.2R3-S3;\u003c/li\u003e\u003cli\u003e22.3 versions before 22.3R3-S2;\u003c/li\u003e\u003cli\u003e22.4 versions before 22.4R3-S1;\u003c/li\u003e\u003cli\u003e23.2 versions before 23.2R2.\u003c/li\u003e\u003c/ul\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"eng\", \"type\": \"CWE\", \"cweId\": \"CWE-20\", \"description\": \"CWE-20 Improper Input Validation\"}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2024-07-10T22:58:06.058Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-39511\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-07-11T13:41:37.291Z\", \"dateReserved\": \"2024-06-25T15:12:53.237Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2024-07-10T22:58:06.058Z\", \"assignerShortName\": \"juniper\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.