CVE-2022-22172
Vulnerability from cvelistv5
Published
2022-01-19 00:21
Modified
2024-09-16 20:36
Severity ?
EPSS score ?
Summary
Junos OS and Junos OS Evolved: An l2cpd memory leak can occur when specific LLDP packets are received leading to a DoS
References
▼ | URL | Tags | |
---|---|---|---|
sirt@juniper.net | https://kb.juniper.net/JSA11278 | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Juniper Networks | Junos OS | |
Juniper Networks | Junos OS Evolved |
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Continued exploitation can lead to memory exhaustion and thereby a Denial of Service (DoS). This issue occurs when specific LLDP packets are received. The impact of the l2cpd cores is that if any of the stp protocols (rstp, mstp or vstp) is used then stp re-converges and traffic loss will occur during that time. Also if any services depend on LLDP state (like PoE or VoIP device recognition) then these will also be affected. The memory utilization of the L2CPd process can be monitored with the following command: user@host\u003e show system processes extensive | match l2cpd 1234 root 52 0 521M 43412K RUN 1 4:02 34.47% l2cpd This issue affects: Juniper Networks Junos OS 18.4 version 18.4R2-S4 and later versions prior to 18.4R2-S10. 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S2, 21.1R3; 21.2 versions prior to 21.2R2; Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S2-EVO; 21.1 version 21.1R1-EVO and later versions; 21.2 versions prior to 21.2R2-EVO. This issue does not affect: Juniper Networks Junos OS 19.1 version 19.1R1 and later versions." } ], "exploits": [ { "lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "description": "Denial of Service (DoS)", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-01-19T00:21:19", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://kb.juniper.net/JSA11278" } ], "solutions": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: \nfor Junos OS: 19.2R1-S8, 19.2R3-S4, 19.3R3-S5, 19.4R3-S7, 20.1R3-S3, 20.2R3-S2, 20.3R3-S1, 20.4R3, 21.1R2-S2, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases.\nfor Junos OS Evolved: 20.4R3-S2-EVO, 21.2R2-EVO, 21.3R1-EVO, and all subsequent releases." } ], "source": { "advisory": "JSA11278", "defect": [ "1602588" ], "discovery": "USER" }, "title": "Junos OS and Junos OS Evolved: An l2cpd memory leak can occur when specific LLDP packets are received leading to a DoS", "workarounds": [ { "lang": "en", "value": "There are no viable workarounds for this issue." } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2022-01-12T17:00:00.000Z", "ID": "CVE-2022-22172", "STATE": "PUBLIC", "TITLE": "Junos OS and Junos OS Evolved: An l2cpd memory leak can occur when specific LLDP packets are received leading to a DoS" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Junos OS", "version": { "version_data": [ { "version_affected": "\u003e=", "version_name": "18.4", "version_value": "18.4R2-S4" }, { "version_affected": "\u003c", "version_name": "18.4", "version_value": "18.4R2-S10" }, { "version_affected": "!\u003e=", "version_name": "19.1", "version_value": "19.1R1" }, { "version_affected": "\u003c", "version_name": "19.2", "version_value": "19.2R1-S8, 19.2R3-S4" }, { "version_affected": "\u003c", "version_name": "19.3", "version_value": "19.3R3-S5" }, { "version_affected": "\u003c", "version_name": "19.4", "version_value": "19.4R3-S7" }, { "version_affected": "\u003c", "version_name": "20.1", "version_value": "20.1R3-S3" }, { "version_affected": "\u003c", "version_name": "20.2", "version_value": "20.2R3-S2" }, { "version_affected": "\u003c", "version_name": "20.3", "version_value": "20.3R3-S1" }, { "version_affected": "\u003c", "version_name": "20.4", "version_value": "20.4R3" }, { "version_affected": "\u003c", "version_name": "21.1", "version_value": "21.1R2-S2, 21.1R3" }, { "version_affected": "\u003c", "version_name": "21.2", "version_value": "21.2R2" }, { "version_affected": "!\u003c", "version_value": "18.4R2-S4" } ] } }, { "product_name": "Junos OS Evolved", "version": { "version_data": [ { "version_affected": "\u003c", "version_value": "20.4R3-S2-EVO" }, { "version_affected": "\u003e=", "version_name": "21.1", "version_value": "21.1R1-EVO" }, { "version_affected": "\u003c", "version_name": "21.2", "version_value": "21.2R2-EVO" } ] } } ] }, "vendor_name": "Juniper Networks" } ] } }, "configuration": [ { "lang": "en", "value": "This vulnerability is only exploitable on interfaces with LLDP enabled. \n [ protocols lldp ]" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A Missing Release of Memory after Effective Lifetime vulnerability in the Layer-2 control protocols daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a memory leak. Continued exploitation can lead to memory exhaustion and thereby a Denial of Service (DoS). This issue occurs when specific LLDP packets are received. The impact of the l2cpd cores is that if any of the stp protocols (rstp, mstp or vstp) is used then stp re-converges and traffic loss will occur during that time. Also if any services depend on LLDP state (like PoE or VoIP device recognition) then these will also be affected. The memory utilization of the L2CPd process can be monitored with the following command: user@host\u003e show system processes extensive | match l2cpd 1234 root 52 0 521M 43412K RUN 1 4:02 34.47% l2cpd This issue affects: Juniper Networks Junos OS 18.4 version 18.4R2-S4 and later versions prior to 18.4R2-S10. 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S2, 21.1R3; 21.2 versions prior to 21.2R2; Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S2-EVO; 21.1 version 21.1R1-EVO and later versions; 21.2 versions prior to 21.2R2-EVO. 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Continued exploitation can lead to memory exhaustion and thereby a Denial of Service (DoS). This issue occurs when specific LLDP packets are received. The impact of the l2cpd cores is that if any of the stp protocols (rstp, mstp or vstp) is used then stp re-converges and traffic loss will occur during that time. Also if any services depend on LLDP state (like PoE or VoIP device recognition) then these will also be affected. The memory utilization of the L2CPd process can be monitored with the following command: user@host\u003e show system processes extensive | match l2cpd 1234 root 52 0 521M 43412K RUN 1 4:02 34.47% l2cpd This issue affects: Juniper Networks Junos OS 18.4 version 18.4R2-S4 and later versions prior to 18.4R2-S10. 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S2, 21.1R3; 21.2 versions prior to 21.2R2; Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S2-EVO; 21.1 version 21.1R1-EVO and later versions; 21.2 versions prior to 21.2R2-EVO. This issue does not affect: Juniper Networks Junos OS 19.1 version 19.1R1 and later versions.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Falta de Liberaci\u00f3n de Memoria Despu\u00e9s del Tiempo de Vida Efectivo en el demonio de protocolos de control de capa 2 (l2cpd) de Junos OS y Junos OS Evolved de Juniper Networks permite a un atacante adyacente no autenticado causar una p\u00e9rdida de memoria. Una explotaci\u00f3n continuada puede conllevar al agotamiento de la memoria y, por tanto, una denegaci\u00f3n de servicio (DoS). Este problema es producido cuando son recibidos paquetes LLDP espec\u00edficos. El impacto de los n\u00facleos l2cpd es que si cualquiera de los protocolos stp (rstp, mstp o vstp) es usado entonces stp reconvierte y la p\u00e9rdida de tr\u00e1fico ocurrir\u00e1 durante ese tiempo. Adem\u00e1s, si alg\u00fan servicio depende del estado de LLDP (como el reconocimiento de dispositivos PoE o VoIP) tambi\u00e9n estar\u00e1 afectado. El uso de la memoria del proceso L2CPd puede supervisarse con el siguiente comando: user@host) show system processes extensive | match l2cpd 1234 root 52 0 521M 43412K RUN 1 4:02 34,47% l2cpd Este problema afecta: Juniper Networks Junos OS versi\u00f3n 18.4 18.4R2-S4 y versiones posteriores a 18.4R2-S10. versiones 19.2 anteriores a 19.2R1-S8, 19.2R3-S4; versiones 19.3 anteriores a 19.3R3-S5; versiones 19.4 anteriores a 19.4R3-S7; versiones 20.1 anteriores a 20.1R3-S3; versiones 20.2 anteriores a 20.2R3-S2; versiones 20.3 anteriores a 20.3R3-S1; versiones 20.4 anteriores a 20. 4R3; versiones 21.1 anteriores a 21.1R2-S2, 21.1R3; versiones 21.2 anteriores a 21.2R2; Juniper Networks Junos OS Evolved All versiones anteriores a 20.4R3-S2-EVO; 21.1 versi\u00f3n 21.1R1-EVO y versiones posteriores; versiones 21.2 anteriores a 21.2R2-EVO. Este problema no afecta: Juniper Networks Junos OS 19.1 versi\u00f3n 19.1R1 y versiones 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Advisory\"]}]}}" } }
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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.