CVE-2023-44203 (GCVE-0-2023-44203)

Vulnerability from cvelistv5 – Published: 2023-10-12 23:06 – Updated: 2024-09-17 16:09
VLAI?
Summary
An Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS). When a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood. This issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only. This issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600: * All versions prior to 20.4R3-S5; * 21.1 versions prior to 21.1R3-S4; * 21.2 versions prior to 21.2R3-S3; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S2; * 22.1 versions prior to 22.1R3; * 22.2 versions prior to 22.2R3; * 22.3 versions prior to 22.3R2.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-703 - Improper Check or Handling of Exceptional Conditions
  • Denial of Service (DoS)
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 0 , < 20.4R3-S5 (semver)
Affected: 21.1 , < 21.1R3-S4 (semver)
Affected: 21.2 , < 21.2R3-S3 (semver)
Affected: 21.3 , < 21.3R3-S5 (semver)
Affected: 21.4 , < 21.4R3-S2 (semver)
Affected: 22.1 , < 22.1R3 (semver)
Affected: 22.2 , < 22.2R3 (semver)
Affected: 22.3 , < 22.3R2 (semver)
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"\\nAn Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS).\\n\\nWhen a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood.\\n\\nThis issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.\\n\\nThis issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:\\n\\n\\n\\n  *  All versions prior to 20.4R3-S5;\\n  *  21.1 versions prior to 21.1R3-S4;\\n  *  21.2 versions prior to 21.2R3-S3;\\n  *  21.3 versions prior to 21.3R3-S5;\\n  *  21.4 versions prior to 21.4R3-S2;\\n  *  22.1 versions prior to 22.1R3;\\n  *  22.2 versions prior to 22.2R3;\\n  *  22.3 versions prior to 22.3R2.\\n\\n\\n\\n\\n\\n\\n\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de verificaci\\u00f3n o manejo inadecuado de condiciones excepcionales en Packet Forwarding Engine (pfe) de Juniper Networks Junos OS en las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600 permite que un atacante adyacente env\\u00ede tr\\u00e1fico espec\\u00edfico, lo que provoca una inundaci\\u00f3n de paquetes. resultando en una Denegaci\\u00f3n de Servicio (DoS). Cuando se recibe un paquete IGMP espec\\u00edfico en una VLAN aislada, se duplica en todos los dem\\u00e1s puertos de la VLAN principal, lo que provoca una inundaci\\u00f3n. Este problema afecta \\u00fanicamente a las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600. Este problema afecta a Juniper Junos OS en las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600: * Todas las versiones anteriores a 20.4R3-S5; * Versiones 21.1 anteriores a 21.1R3-S4; * Versiones 21.2 anteriores a 21.2R3-S3; * Versiones 21.3 anteriores a 21.3R3-S5; * Versiones 21.4 anteriores a 21.4R3-S2; * Versiones 22.1 anteriores a 22.1R3; * Versiones 22.2 anteriores a 22.2R3; * Versiones 22.3 anteriores a 22.3R2.\"}]",
      "id": "CVE-2023-44203",
      "lastModified": "2024-11-21T08:25:26.010",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"sirt@juniper.net\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}]}",
      "published": "2023-10-13T00:15:12.987",
      "references": "[{\"url\": \"https://supportportal.juniper.net/JSA73169\", \"source\": \"sirt@juniper.net\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://supportportal.juniper.net/JSA73169\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "sirt@juniper.net",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"sirt@juniper.net\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-703\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-44203\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2023-10-13T00:15:12.987\",\"lastModified\":\"2024-11-21T08:25:26.010\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"\\nAn Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS).\\n\\nWhen a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood.\\n\\nThis issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.\\n\\nThis issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:\\n\\n\\n\\n  *  All versions prior to 20.4R3-S5;\\n  *  21.1 versions prior to 21.1R3-S4;\\n  *  21.2 versions prior to 21.2R3-S3;\\n  *  21.3 versions prior to 21.3R3-S5;\\n  *  21.4 versions prior to 21.4R3-S2;\\n  *  22.1 versions prior to 22.1R3;\\n  *  22.2 versions prior to 22.2R3;\\n  *  22.3 versions prior to 22.3R2.\\n\\n\\n\\n\\n\\n\\n\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de verificaci\u00f3n o manejo inadecuado de condiciones excepcionales en Packet Forwarding Engine (pfe) de Juniper Networks Junos OS en las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600 permite que un atacante adyacente env\u00ede tr\u00e1fico espec\u00edfico, lo que provoca una inundaci\u00f3n de paquetes. resultando en una Denegaci\u00f3n de Servicio (DoS). Cuando se recibe un paquete IGMP espec\u00edfico en una VLAN aislada, se duplica en todos los dem\u00e1s puertos de la VLAN principal, lo que provoca una inundaci\u00f3n. Este problema afecta \u00fanicamente a las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600. Este problema afecta a Juniper Junos OS en las series QFX5000, EX2300, EX3400, EX4100, EX4400 y EX4600: * Todas las versiones anteriores a 20.4R3-S5; * Versiones 21.1 anteriores a 21.1R3-S4; * Versiones 21.2 anteriores a 21.2R3-S3; * Versiones 21.3 anteriores a 21.3R3-S5; * Versiones 21.4 anteriores a 21.4R3-S2; * Versiones 22.1 anteriores a 22.1R3; * Versiones 22.2 anteriores a 22.2R3; * Versiones 22.3 anteriores a 22.3R2.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-703\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"20.4\",\"matchCriteriaId\":\"E3A96966-5060-4139-A124-D4E2C879FD6C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D361B23-A3C2-444B-BEB8-E231DA950567\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"20DDC6B7-BFC4-4F0B-8E68-442C23765BF2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"037BA01C-3F5C-4503-A633-71765E9EF774\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C54B047C-4B38-40C0-9855-067DCF7E48BD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"38984199-E332-4A9C-A4C0-78083D052E15\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA6526FB-2941-4D18-9B2E-472AD5A62A53\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r3:*:*:*:*:*:*\",\"matchCriteriaId\":\"09876787-A40A-4340-9C12-8628C325353B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"41615104-C17E-44DA-AB0D-6E2053BD4EF4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r3-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"1981DE38-36B5-469D-917E-92717EE3ED53\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r3-s3:*:*:*:*:*:*\",\"matchCriteriaId\":\"AFA68ACD-AAE5-4577-B734-23AAF77BC85A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.4:r3-s4:*:*:*:*:*:*\",\"matchCriteriaId\":\"65948ABC-22BB-46D5-8545-0806EDB4B86E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"6FDB5B7D-FB37-47E3-8678-B9ED578CCA5F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"625BA7E6-D2AD-4A48-9B94-24328BE5B06A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"F462F4E3-762C-429F-8D25-5521100DD37C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C0BC9DAC-D6B5-4C5E-8C73-6E550D9A30F5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r2-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"689FE1AE-7A85-4FB6-AB02-E732F23581B6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r2-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"79E56DAC-75AD-4C81-9835-634B40C15DA6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r3:*:*:*:*:*:*\",\"matchCriteriaId\":\"A0040FE2-7ECD-4755-96CE-E899BA298E0C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r3-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"076AB086-BB79-4583-AAF7-A5233DFB2F95\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r3-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"72E2DDF6-01DF-4880-AB60-B3DA3281E88D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.1:r3-s3:*:*:*:*:*:*\",\"matchCriteriaId\":\"54010163-0810-4CF5-95FE-7E62BC6CA4F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"216E7DDE-453D-481F-92E2-9F8466CDDA3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"A52AF794-B36B-43A6-82E9-628658624B0A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*\",\"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,\"references\":[{\"url\":\"https://supportportal.juniper.net/JSA73169\",\"source\":\"sirt@juniper.net\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://supportportal.juniper.net/JSA73169\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://supportportal.juniper.net/JSA73169\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T19:59:51.867Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-44203\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-17T15:45:38.633995Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-17T16:09:30.894Z\"}}], \"cna\": {\"title\": \"Junos OS: QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600: Packet flooding will occur when IGMP traffic is sent to an isolated VLAN\", \"source\": {\"defect\": [\"1667069\"], \"advisory\": \"JSA73169\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Juniper Networks\", \"product\": \"Junos OS\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"20.4R3-S5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.1\", \"lessThan\": \"21.1R3-S4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.2\", \"lessThan\": \"21.2R3-S3\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.3\", \"lessThan\": \"21.3R3-S5\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"21.4\", \"lessThan\": \"21.4R3-S2\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.1\", \"lessThan\": \"22.1R3\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.2\", \"lessThan\": \"22.2R3\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.3\", \"lessThan\": \"22.3R2\", \"versionType\": \"semver\"}], \"platforms\": [\"QFX5000 Series\", \"EX2300\", \"EX3400\", \"EX4100\", \"EX4400\", \"EX4600\"], \"defaultStatus\": \"unaffected\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eJuniper SIRT is not aware of any malicious exploitation of this vulnerability.\u003c/p\u003e\", \"base64\": false}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2023-10-11T16:00:00.000Z\", \"value\": \"Initial Publication\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S5, 21.4R3-S2, 22.1R3, 22.2R3, 22.3R2, 22.4R1, and all subsequent releases.\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eThe following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S5, 21.4R3-S2, 22.1R3, 22.2R3, 22.3R2, 22.4R1, and all subsequent releases.\u003c/p\u003e\", \"base64\": false}]}], \"datePublic\": \"2023-10-11T16:00:00.000Z\", \"references\": [{\"url\": \"https://supportportal.juniper.net/JSA73169\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"There are no known workarounds for this issue.\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eThere are no known workarounds for this issue.\u003c/p\u003e\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-av217\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"\\nAn Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS).\\n\\nWhen a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood.\\n\\nThis issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.\\n\\nThis issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:\\n\\n\\n\\n  *  All versions prior to 20.4R3-S5;\\n  *  21.1 versions prior to 21.1R3-S4;\\n  *  21.2 versions prior to 21.2R3-S3;\\n  *  21.3 versions prior to 21.3R3-S5;\\n  *  21.4 versions prior to 21.4R3-S2;\\n  *  22.1 versions prior to 22.1R3;\\n  *  22.2 versions prior to 22.2R3;\\n  *  22.3 versions prior to 22.3R2.\\n\\n\\n\\n\\n\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\\n\\n\u003cp\u003eAn Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS).\u003c/p\u003e\u003cp\u003eWhen a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood.\u003c/p\u003e\u003cp\u003eThis issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.\u003c/p\u003e\u003cp\u003eThis issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions prior to 20.4R3-S5;\u003c/li\u003e\u003cli\u003e21.1 versions prior to 21.1R3-S4;\u003c/li\u003e\u003cli\u003e21.2 versions prior to 21.2R3-S3;\u003c/li\u003e\u003cli\u003e21.3 versions prior to 21.3R3-S5;\u003c/li\u003e\u003cli\u003e21.4 versions prior to 21.4R3-S2;\u003c/li\u003e\u003cli\u003e22.1 versions prior to 22.1R3;\u003c/li\u003e\u003cli\u003e22.2 versions prior to 22.2R3;\u003c/li\u003e\u003cli\u003e22.3 versions prior to 22.3R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\\n\\n\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-703\", \"description\": \"CWE-703: Improper Check or Handling of Exceptional Conditions\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"description\": \"Denial of Service (DoS)\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"Isolated PVLAN\u0027s can be configured with the following command:\\n\\n [ set vlans private-vlan isolated ]\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eIsolated PVLAN\u0027s can be configured with the following command:\u003c/p\u003e \u003ctt\u003e[ set vlans private-vlan isolated ]\u003c/tt\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2023-10-12T23:06:21.471Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-44203\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-17T16:09:42.727Z\", \"dateReserved\": \"2023-09-26T19:30:32.350Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2023-10-12T23:06:21.471Z\", \"assignerShortName\": \"juniper\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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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.