CVE-2024-47493

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-47493", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2024-09-25T15:26:52.608Z", "datePublished": "2024-10-11T15:24:02.438Z", "dateUpdated": "2024-11-08T17:17:27.242Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["MX"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "21.2R3-S7", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "21.4R3-S6", "status": "affected", "version": "21.4", "versionType": "semver"}, {"lessThan": "22.1R3-S5", "status": "affected", "version": "22.1", "versionType": "semver"}, {"lessThan": "22.2R3-S3", "status": "affected", "version": "22.2", "versionType": "semver"}, {"lessThan": "22.3R3-S2", "status": "affected", "version": "22.3", "versionType": "semver"}, {"lessThan": "22.4R3", "status": "affected", "version": "22.4", "versionType": "semver"}, {"lessThan": "23.2R2", "status": "affected", "version": "23.2", "versionType": "semver"}, {"lessThan": "23.4R2", "status": "affected", "version": "23.4", "versionType": "semver"}]}], "datePublic": "2024-10-09T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of the Juniper Networks Junos OS on the MX Series platforms with Trio-based FPCs allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).<br><br>In case of channelized Modular Interface Cards (MICs), every physical interface flap operation will leak heap memory. Over a period of time, continuous physical interface flap operations causes&nbsp;local FPC to eventually run out of memory and crash.&nbsp;&nbsp;<br><span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\"><br>Below CLI command can be used to check the memory usage over a period of time:<br><br></span><tt><tt><tt><span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\">\u2003\u2003user@host&gt; show chassis fpc<br>\n\n\n\n\n\n\n\n\n\n<p>\n\n\n\n\n\n\n\n\n\n\n</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Temp CPU Utilization (%) &nbsp; CPU Utilization (%) Memory &nbsp; \nUtilization (%)<br>&nbsp; Slot State &nbsp; &nbsp; (C)&nbsp; Total&nbsp; Interrupt &nbsp; &nbsp; 1min &nbsp; 5min &nbsp;\n15min DRAM (MB) Heap &nbsp; &nbsp; Buffer<br>\n&nbsp; 0 \nOnline&nbsp; &nbsp; &nbsp; &nbsp;43 &nbsp; &nbsp; 41 &nbsp; &nbsp; &nbsp; &nbsp; \n2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2048 &nbsp; &nbsp; &nbsp; 49 &nbsp; &nbsp; &nbsp; &nbsp; 14<br>\n&nbsp; 1 \nOnline&nbsp; &nbsp; &nbsp; &nbsp;43 &nbsp; &nbsp; 41 &nbsp; &nbsp; &nbsp; &nbsp; \n2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\n2048 &nbsp; &nbsp; &nbsp; 49 &nbsp; &nbsp; &nbsp; &nbsp; 14<br>\n&nbsp; 2 \nOnline&nbsp; &nbsp; &nbsp; &nbsp;43 &nbsp; &nbsp; 41 &nbsp; &nbsp; &nbsp; &nbsp; \n2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\n2048 &nbsp; &nbsp; &nbsp; 49 &nbsp; &nbsp; &nbsp; &nbsp; 14<br></p><p><br></p>\n\n<p></p></span></span></tt></tt></tt></span><p>This issue affects Junos OS on MX Series:&nbsp;<br></p><p></p><ul><li>All versions before 21.2R3-S7,&nbsp;</li><li>from 21.4 before 21.4R3-S6,&nbsp;</li><li>from 22.1 before 22.1R3-S5,&nbsp;</li><li>from 22.2 before 22.2R3-S3,&nbsp;</li><li>from 22.3 before 22.3R3-S2,&nbsp;</li><li>from 22.4 before 22.4R3,&nbsp;</li><li>from 23.2 before 23.2R2,&nbsp;</li><li>from 23.4 before 23.4R2.</li></ul><p></p>"}], "value": "A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of the Juniper Networks Junos OS on the MX Series platforms with Trio-based FPCs allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nIn case of channelized Modular Interface Cards (MICs), every physical interface flap operation will leak heap memory. Over a period of time, continuous physical interface flap operations causes\u00a0local FPC to eventually run out of memory and crash.\u00a0\u00a0\n\nBelow CLI command can be used to check the memory usage over a period of time:\n\n\u2003\u2003user@host> show chassis fpc\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Temp CPU Utilization (%) \u00a0 CPU Utilization (%) Memory \u00a0 \nUtilization (%)\n\u00a0 Slot State \u00a0 \u00a0 (C)\u00a0 Total\u00a0 Interrupt \u00a0 \u00a0 1min \u00a0 5min \u00a0\n15min DRAM (MB) Heap \u00a0 \u00a0 Buffer\n\n\u00a0 0 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\u00a0 1 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\n2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\u00a0 2 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\n2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\n\n\n\n\n\n\n\nThis issue affects Junos OS on MX Series:\u00a0\n\n\n\n\n * All versions before 21.2R3-S7,\u00a0\n * from 21.4 before 21.4R3-S6,\u00a0\n * from 22.1 before 22.1R3-S5,\u00a0\n * from 22.2 before 22.2R3-S3,\u00a0\n * from 22.3 before 22.3R3-S2,\u00a0\n * from 22.4 before 22.4R3,\u00a0\n * from 23.2 before 23.2R2,\u00a0\n * from 23.4 before 23.4R2."}], "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": "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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"cvssV4_0": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 7.1, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "GREEN", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/U:Green", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2024-11-08T17:17:27.242Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://supportportal.juniper.net/"}, {"tags": ["related"], "url": "https://www.juniper.net/documentation/us/en/software/junos/interfaces-link-multilink/topics/topic-map/link-multilink-services-understanding.html#id-multilink-interfaces-on-channelized-mics-overview"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue: <br><br>Junos OS: 21.2R3-S7, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, 23.4R2, 24.1R1, and all subsequent releases."}], "value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 21.2R3-S7, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, 23.4R2, 24.1R1, and all subsequent releases."}], "source": {"advisory": "JSA88119", "defect": ["1770750"], "discovery": "USER"}, "title": "Junos OS: MX Series: Trio-based FPCs: Continuous physical Interface flaps causes local FPC to crash", "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"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-10-11T17:48:58.046112Z", "id": "CVE-2024-47493", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-11T17:49:07.243Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-47493", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-11T17:48:58.046112Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-11T17:49:02.624Z"}}], "cna": {"title": "Junos OS: MX Series: Trio-based FPCs: Continuous physical Interface flaps causes local FPC to crash", "source": {"defect": ["1770750"], "advisory": "JSA88119", "discovery": "USER"}, "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"}]}, {"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "AUTOMATIC", "baseScore": 7.1, "Automatable": "YES", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/U:Green", "providerUrgency": "GREEN", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "LOW", "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": "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", "versionType": "semver"}, {"status": "affected", "version": "23.2", "lessThan": "23.2R2", "versionType": "semver"}, {"status": "affected", "version": "23.4", "lessThan": "23.4R2", "versionType": "semver"}], "platforms": ["MX"], "defaultStatus": "unaffected"}], "exploits": [{"lang": "en", "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": "en", "value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 21.2R3-S7, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, 23.4R2, 24.1R1, and all subsequent releases.", "supportingMedia": [{"type": "text/html", "value": "The following software releases have been updated to resolve this specific issue: <br><br>Junos OS: 21.2R3-S7, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, 23.4R2, 24.1R1, and all subsequent releases.", "base64": false}]}], "datePublic": "2024-10-09T16:00:00.000Z", "references": [{"url": "https://supportportal.juniper.net/", "tags": ["vendor-advisory"]}, {"url": "https://www.juniper.net/documentation/us/en/software/junos/interfaces-link-multilink/topics/topic-map/link-multilink-services-understanding.html#id-multilink-interfaces-on-channelized-mics-overview", "tags": ["related"]}], "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": "A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of the Juniper Networks Junos OS on the MX Series platforms with Trio-based FPCs allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nIn case of channelized Modular Interface Cards (MICs), every physical interface flap operation will leak heap memory. Over a period of time, continuous physical interface flap operations causes\u00a0local FPC to eventually run out of memory and crash.\u00a0\u00a0\n\nBelow CLI command can be used to check the memory usage over a period of time:\n\n\u2003\u2003user@host> show chassis fpc\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Temp CPU Utilization (%) \u00a0 CPU Utilization (%) Memory \u00a0 \nUtilization (%)\n\u00a0 Slot State \u00a0 \u00a0 (C)\u00a0 Total\u00a0 Interrupt \u00a0 \u00a0 1min \u00a0 5min \u00a0\n15min DRAM (MB) Heap \u00a0 \u00a0 Buffer\n\n\u00a0 0 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\u00a0 1 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\n2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\u00a0 2 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\n2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\n\n\n\n\n\n\n\nThis issue affects Junos OS on MX Series:\u00a0\n\n\n\n\n * All versions before 21.2R3-S7,\u00a0\n * from 21.4 before 21.4R3-S6,\u00a0\n * from 22.1 before 22.1R3-S5,\u00a0\n * from 22.2 before 22.2R3-S3,\u00a0\n * from 22.3 before 22.3R3-S2,\u00a0\n * from 22.4 before 22.4R3,\u00a0\n * from 23.2 before 23.2R2,\u00a0\n * from 23.4 before 23.4R2.", "supportingMedia": [{"type": "text/html", "value": "A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of the Juniper Networks Junos OS on the MX Series platforms with Trio-based FPCs allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).<br><br>In case of channelized Modular Interface Cards (MICs), every physical interface flap operation will leak heap memory. Over a period of time, continuous physical interface flap operations causes&nbsp;local FPC to eventually run out of memory and crash.&nbsp;&nbsp;<br><span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\"><br>Below CLI command can be used to check the memory usage over a period of time:<br><br></span><tt><tt><tt><span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\">\u2003\u2003user@host&gt; show chassis fpc<br>\n\n\n\n\n\n\n\n\n\n<p>\n\n\n\n\n\n\n\n\n\n\n</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Temp CPU Utilization (%) &nbsp; CPU Utilization (%) Memory &nbsp; \nUtilization (%)<br>&nbsp; Slot State &nbsp; &nbsp; (C)&nbsp; Total&nbsp; Interrupt &nbsp; &nbsp; 1min &nbsp; 5min &nbsp;\n15min DRAM (MB) Heap &nbsp; &nbsp; Buffer<br>\n&nbsp; 0 \nOnline&nbsp; &nbsp; &nbsp; &nbsp;43 &nbsp; &nbsp; 41 &nbsp; &nbsp; &nbsp; &nbsp; \n2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2048 &nbsp; &nbsp; &nbsp; 49 &nbsp; &nbsp; &nbsp; &nbsp; 14<br>\n&nbsp; 1 \nOnline&nbsp; &nbsp; &nbsp; &nbsp;43 &nbsp; &nbsp; 41 &nbsp; &nbsp; &nbsp; &nbsp; \n2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\n2048 &nbsp; &nbsp; &nbsp; 49 &nbsp; &nbsp; &nbsp; &nbsp; 14<br>\n&nbsp; 2 \nOnline&nbsp; &nbsp; &nbsp; &nbsp;43 &nbsp; &nbsp; 41 &nbsp; &nbsp; &nbsp; &nbsp; \n2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\n2048 &nbsp; &nbsp; &nbsp; 49 &nbsp; &nbsp; &nbsp; &nbsp; 14<br></p><p><br></p>\n\n<p></p></span></span></tt></tt></tt></span><p>This issue affects Junos OS on MX Series:&nbsp;<br></p><p></p><ul><li>All versions before 21.2R3-S7,&nbsp;</li><li>from 21.4 before 21.4R3-S6,&nbsp;</li><li>from 22.1 before 22.1R3-S5,&nbsp;</li><li>from 22.2 before 22.2R3-S3,&nbsp;</li><li>from 22.3 before 22.3R3-S2,&nbsp;</li><li>from 22.4 before 22.4R3,&nbsp;</li><li>from 23.2 before 23.2R2,&nbsp;</li><li>from 23.4 before 23.4R2.</li></ul><p></p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2024-11-08T17:17:27.242Z"}}}, "cveMetadata": {"cveId": "CVE-2024-47493", "state": "PUBLISHED", "dateUpdated": "2024-11-08T17:17:27.242Z", "dateReserved": "2024-09-25T15:26:52.608Z", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "datePublished": "2024-10-11T15:24:02.438Z", "assignerShortName": "juniper"}, "dataVersion": "5.1"}

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"vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of the Juniper Networks Junos OS on the MX Series platforms with Trio-based FPCs allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).\n\nIn case of channelized Modular Interface Cards (MICs), every physical interface flap operation will leak heap memory. Over a period of time, continuous physical interface flap operations causes\u00a0local FPC to eventually run out of memory and crash.\u00a0\u00a0\n\nBelow CLI command can be used to check the memory usage over a period of time:\n\n\u2003\u2003user@host> show chassis fpc\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Temp CPU Utilization (%) \u00a0 CPU Utilization (%) Memory \u00a0 \nUtilization (%)\n\u00a0 Slot State \u00a0 \u00a0 (C)\u00a0 Total\u00a0 Interrupt \u00a0 \u00a0 1min \u00a0 5min \u00a0\n15min DRAM (MB) Heap \u00a0 \u00a0 Buffer\n\n\u00a0 0 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\u00a0 1 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\n2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\u00a0 2 \nOnline\u00a0 \u00a0 \u00a0 \u00a043 \u00a0 \u00a0 41 \u00a0 \u00a0 \u00a0 \u00a0 \n2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\n2048 \u00a0 \u00a0 \u00a0 49 \u00a0 \u00a0 \u00a0 \u00a0 14\n\n\n\n\n\n\n\n\n\nThis issue affects Junos OS on MX Series:\u00a0\n\n\n\n\n * All versions before 21.2R3-S7,\u00a0\n * from 21.4 before 21.4R3-S6,\u00a0\n * from 22.1 before 22.1R3-S5,\u00a0\n * from 22.2 before 22.2R3-S3,\u00a0\n * from 22.3 before 22.3R3-S2,\u00a0\n * from 22.4 before 22.4R3,\u00a0\n * from 23.2 before 23.2R2,\u00a0\n * from 23.4 before 23.4R2."}, {"lang": "es", "value": "Una vulnerabilidad de falta de liberaci\u00f3n de memoria despu\u00e9s de la vida \u00fatil efectiva en el motor de reenv\u00edo de paquetes (PFE) del sistema operativo Junos de Juniper Networks en las plataformas de las series SRX5K, SRX4600 y MX con FPC basadas en Trio permite que un atacante adyacente no autenticado provoque una denegaci\u00f3n de servicio (DoS). En el caso de las tarjetas de interfaz modulares (MIC) canalizadas, cada operaci\u00f3n de oscilaci\u00f3n de la interfaz f\u00edsica perder\u00e1 memoria del mont\u00f3n. Con el paso del tiempo, las operaciones de oscilaci\u00f3n de la interfaz f\u00edsica continuas hacen que la FPC local se quede sin memoria y se bloquee. El siguiente comando CLI se puede utilizar para comprobar el uso de la memoria durante un per\u00edodo de tiempo: user@host&gt; show housing fpc Temp CPU Utilization (%) CPU Utilization (%) Memory Utilization (%) Slot State (C) Total Interrupt 1min 5min 15min DRAM (MB) Heap Buffer 0 Online 43 41 2 2048 49 14 1 Online 43 41 2 2048 49 14 2 Online 43 41 2 2048 49 14 Este problema afecta a Junos OS en SRX5K, SRX4600 y MX Series: * Todas las versiones anteriores a 21.2R3-S7, * desde 21.4 hasta 21.4R3-S6, * desde 22.1 hasta 22.1R3-S5, * desde 22.2 hasta 22.2R3-S3, * desde 22.3 hasta 22.3R3-S2, * de 22.4 antes de 22.4R3, * de 23.2 antes de 23.2R2, * de 23.4 antes de 23.4R2."}], "id": "CVE-2024-47493", "lastModified": "2026-06-17T07:57:10.513", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "GREEN", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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:X/U:Green", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "sirt@juniper.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-47493", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-11T17:48:58.046112Z", "version": "2.0.3"}}]}, "published": "2024-10-11T16:15:09.320", "references": [{"source": "sirt@juniper.net", "tags": ["Permissions Required"], "url": "https://supportportal.juniper.net/"}, {"source": "sirt@juniper.net", "tags": ["Technical Description"], "url": "https://www.juniper.net/documentation/us/en/software/junos/interfaces-link-multilink/topics/topic-map/link-multilink-services-understanding.html#id-multilink-interfaces-on-channelized-mics-overview"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

{}

{"created": "2025-07-13T11:31:45.905975+00:00", "updated": "2025-07-13T11:31:45.906043+00:00", "vendors": ["juniper_networks", "juniper_networks$PRODUCT$junos_os"]}