CVE-2024-21612 (GCVE-0-2024-21612)

Vulnerability from cvelistv5 – Published: 2024-01-12 00:55 – Updated: 2025-06-17 21:09
VLAI?
Title
Junos OS Evolved: Specific TCP traffic causes OFP core and restart of RE
Summary
An Improper Handling of Syntactically Invalid Structure vulnerability in Object Flooding Protocol (OFP) service of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On all Junos OS Evolved platforms, when specific TCP packets are received on an open OFP port, the OFP crashes leading to a restart of Routine Engine (RE). Continuous receipt of these specific TCP packets will lead to a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS Evolved * All versions earlier than 21.2R3-S7-EVO; * 21.3 versions earlier than 21.3R3-S5-EVO ; * 21.4 versions earlier than 21.4R3-S5-EVO; * 22.1 versions earlier than 22.1R3-S4-EVO; * 22.2 versions earlier than 22.2R3-S3-EVO ; * 22.3 versions earlier than 22.3R3-EVO; * 22.4 versions earlier than 22.4R2-EVO, 22.4R3-EVO.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-228 - Improper Handling of Syntactically Invalid Structure
  • Denial of Service (DoS)
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Evolved Affected: 0 , < 21.2R3-S7-EVO (semver)
Affected: 21.3 , < 21.3R3-S5-EVO (semver)
Affected: 21.4 , < 21.4R3-S5-EVO (semver)
Affected: 22.1 , < 22.1R3-S4-EVO (semver)
Affected: 22.2 , < 22.2R3-S3-EVO (semver)
Affected: 22.3 , < 22.3R3-EVO (semver)
Affected: 22.4 , < 22.4R2-EVO, 22.4R3-EVO (semver)
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Continuous receipt of these specific TCP packets will lead to a sustained Denial of Service (DoS) condition.\u003c/p\u003e\\n\\n\u003cp\u003e\u003c/p\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003eJuniper Networks Junos OS Evolved\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions earlier than 21.2R3-S7-EVO;\u003c/li\u003e\u003cli\u003e21.3 versions earlier than 21.3R3-S5-EVO ;\u003c/li\u003e\u003cli\u003e21.4 versions earlier than 21.4R3-S5-EVO;\u003c/li\u003e\u003cli\u003e22.1 versions earlier than 22.1R3-S4-EVO;\u003c/li\u003e\u003cli\u003e22.2 versions earlier than 22.2R3-S3-EVO ;\u003c/li\u003e\u003cli\u003e22.3 versions earlier than 22.3R3-EVO;\u003c/li\u003e\u003cli\u003e22.4 versions earlier than 22.4R2-EVO, 22.4R3-EVO.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\\n\\n\"}], \"value\": \"\\n\\n\\n\\n\\nAn Improper Handling of Syntactically Invalid Structure vulnerability in Object Flooding Protocol (OFP) service of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\\n\\nOn all Junos OS Evolved platforms, when specific TCP packets are received on an open OFP port, the OFP crashes leading to a restart of Routine Engine (RE). Continuous receipt of these specific TCP packets will lead to a sustained Denial of Service (DoS) condition.\\n\\n\\n\\n\\n\\nThis issue affects:\\n\\nJuniper Networks Junos OS Evolved\\n\\n\\n\\n  *  All versions earlier than 21.2R3-S7-EVO;\\n  *  21.3 versions earlier than 21.3R3-S5-EVO ;\\n  *  21.4 versions earlier than 21.4R3-S5-EVO;\\n  *  22.1 versions earlier than 22.1R3-S4-EVO;\\n  *  22.2 versions earlier than 22.2R3-S3-EVO ;\\n  *  22.3 versions earlier than 22.3R3-EVO;\\n  *  22.4 versions earlier than 22.4R2-EVO, 22.4R3-EVO.\\n\\n\\n\\n\\n\\n\\n\"}], \"exploits\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"\u003cp\u003eJuniper SIRT is not aware of any malicious exploitation of this vulnerability.\u003c/p\u003e\"}], \"value\": \"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\\n\\n\"}], \"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"version\": \"3.1\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-228\", \"description\": \"CWE-228: Improper Handling of Syntactically Invalid Structure\", \"lang\": \"en\", \"type\": \"CWE\"}]}, {\"descriptions\": [{\"description\": \"Denial of Service (DoS)\", \"lang\": \"en\"}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2024-01-29T15:28:06.536Z\"}, \"references\": [{\"tags\": [\"vendor-advisory\"], \"url\": \"https://supportportal.juniper.net/JSA75753\"}, {\"tags\": [\"technical-description\"], \"url\": \"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N\"}], \"solutions\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"\u003cp\u003eThe following software releases have been updated to resolve this specific issue:\u003c/p\u003e\u003cp\u003eJunos OS Evolved: 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.1R3-S4-EVO, 22.2R3-S3-EVO, 22.3R3-EVO, 22.4R2-EVO, 22.4R3-EVO, 23.2R1-EVO, and all subsequent releases.\u003c/p\u003e\"}], \"value\": \"The following software releases have been updated to resolve this specific issue:\\n\\nJunos OS Evolved: 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.1R3-S4-EVO, 22.2R3-S3-EVO, 22.3R3-EVO, 22.4R2-EVO, 22.4R3-EVO, 23.2R1-EVO, and all subsequent releases.\\n\\n\"}], \"source\": {\"advisory\": \"JSA75753\", \"defect\": [\"1714333\"], \"discovery\": \"USER\"}, \"timeline\": [{\"lang\": \"en\", \"time\": \"2024-01-10T17:00:00.000Z\", \"value\": \"Initial Publication\"}, {\"lang\": \"en\", \"time\": \"2024-01-26T17:00:00.000Z\", \"value\": \"Added required configuration\"}], \"title\": \"Junos OS Evolved: Specific TCP traffic causes OFP core and restart of RE\", \"workarounds\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"\\n\\n\u003cp\u003eIn order to prevent this issue, following firewall filter needs to be added for each OFP port.\u003c/p\u003e\u003ctt\u003e[ firewall family inet filter mgmt-filter term discard_ofp from protocol tcp ]\u003cbr\u003e[ firewall family inet filter mgmt-filter term discard_ofp from destination-port \u0026lt;ofp_port_1\u0026gt; ]\u003cbr\u003e[ firewall family inet filter mgmt-filter term discard_ofp from destination-port \u0026lt;ofp_port_2\u0026gt; ]\u003cbr\u003e[ firewall family inet filter mgmt-filter term discard_ofp then discard ]\u003cbr\u003e[ firewall family inet filter mgmt-filter term 2 then accept ]\u003cbr\u003e\u003c/tt\u003e\u003cbr\u003e\u003ctt\u003e[ interfaces re0:mgmt-0 unit 0 family inet filter input mgmt-filter ]\u003cbr\u003e[ interfaces re1:mgmt-0 unit 0 family inet filter input mgmt-filter ]\u003c/tt\u003e\u003cbr\u003e\\n\\n\u003ctt\u003e\u003c/tt\u003e\"}], \"value\": \"\\nIn order to prevent this issue, following firewall filter needs to be added for each OFP port.\\n\\n[ firewall family inet filter mgmt-filter term discard_ofp from protocol tcp ]\\n[ firewall family inet filter mgmt-filter term discard_ofp from destination-port \u003cofp_port_1\u003e ]\\n[ firewall family inet filter mgmt-filter term discard_ofp from destination-port \u003cofp_port_2\u003e ]\\n[ firewall family inet filter mgmt-filter term discard_ofp then discard ]\\n[ firewall family inet filter mgmt-filter term 2 then accept ]\\n\\n[ interfaces re0:mgmt-0 unit 0 family inet filter input mgmt-filter ]\\n[ interfaces re1:mgmt-0 unit 0 family inet filter input mgmt-filter ]\\n\\n\\n\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-av217\"}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-01T22:27:36.014Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://supportportal.juniper.net/JSA75753\"}, {\"tags\": [\"technical-description\", \"x_transferred\"], \"url\": \"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N\"}]}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-21612\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-01-12T15:44:31.372599Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-06-17T21:07:49.864Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-21612\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"juniper\", \"dateReserved\": \"2023-12-27T19:38:25.709Z\", \"datePublished\": \"2024-01-12T00:55:37.059Z\", \"dateUpdated\": \"2025-06-17T21:09:20.546Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.