{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-39526", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2024-06-25T15:12:53.240Z", "datePublished": "2024-10-11T15:16:49.788Z", "dateUpdated": "2024-10-11T19:01:50.987Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["MX Series", "MX304", "EX9200"], "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": "22.2R3-S3", "status": "affected", "version": "22.2", "versionType": "semver"}, {"status": "affected", "version": "22.3", "versionType": "custom"}, {"lessThan": "22.4R3", "status": "affected", "version": "22.4", "versionType": "semver"}, {"lessThan": "23.2R2", "status": "affected", "version": "23.2", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["PTX Series"], "product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [{"lessThan": "21.2R3-S8-EVO", "status": "affected", "version": "19.3R1-EVO", "versionType": "semver"}, {"lessThan": "21.4R3-S7-EVO", "status": "affected", "version": "21.4-EVO", "versionType": "semver"}, {"lessThan": "22.1R3-S6-EVO", "status": "affected", "version": "22.1-EVO", "versionType": "semver"}, {"lessThan": "22.2R3-S5-EVO", "status": "affected", "version": "22.2-EVO", "versionType": "semver"}, {"lessThan": "22.3R3-S3-EVO", "status": "affected", "version": "22.3-EVO", "versionType": "semver"}, {"lessThan": "22.4R3-S1-EVO", "status": "affected", "version": "22.4-EVO", "versionType": "semver"}, {"lessThan": "23.2R2-S2-EVO", "status": "affected", "version": "23.2-EVO", "versionType": "semver"}, {"lessThan": "23.4R2-EVO", "status": "affected", "version": "23.4-EVO", "versionType": "semver"}, {"lessThan": "19.3R1-EVO", "status": "unaffected", "version": "0", "versionType": "semver"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "DHCP snooping is enabled when the following options are configured:<br><br><tt>[forwarding-options dhcp-relay]<br>[system services dhcp-local-server]</tt>"}], "value": "DHCP snooping is enabled when the following options are configured:\n\n[forwarding-options dhcp-relay]\n[system services dhcp-local-server]"}], "datePublic": "2024-10-09T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to stop, leading to a Denial of Service (DoS).&nbsp; Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition.<br><br>This issue only occurs if DHCP snooping is enabled. See configuration below.<br><br>This issue can be detected using following commands. Their output will display the interface status going down:<br><br>\n<tt>user@device&gt;show interfaces &lt;if--x/x/x&gt;<br>user@device&gt;show log messages | match &lt;if--x/x/x&gt;<br>user@device&gt;show log messages ==&gt; will display the \"[Error] Wedge-Detect : Host Loopback Wedge Detected: PFE: no,\" logs.<br><br></tt><p>This issue affects:<br>Junos OS on \n\nMX Series \n\nwith MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C line cards, and MX304: <br></p><ul><li>All versions before 21.2R3-S7, </li><li>from 21.4 before 21.4R3-S6, </li><li>from 22.2 before 22.2R3-S3, </li><li>all versions of 22.3,</li><li>from 22.4 before 22.4R3, </li><li>from 23.2 before 23.2R2; </li></ul><br>Junos OS Evolved on PTX Series: <br><ul><li>from 19.3R1-EVO before 21.2R3-S8-EVO,<br></li><li>from 21.4-EVO before 21.4R3-S7-EVO, </li><li>from 22.1-EVO before 22.1R3-S6-EVO, </li><li>from 22.2-EVO before 22.2R3-S5-EVO, </li><li>from 22.3-EVO before 22.3R3-S3-EVO, </li><li>from 22.4-EVO before 22.4R3-S1-EVO, </li><li>from 23.2-EVO before 23.2R2-S2-EVO, </li><li>from 23.4-EVO before 23.4R2-EVO.</li></ul><br>Junos OS Evolved releases prior to 19.3R1-EVO are unaffected by this vulnerability<p></p>"}], "value": "An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to stop, leading to a Denial of Service (DoS).\u00a0 Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition.\n\nThis issue only occurs if DHCP snooping is enabled. See configuration below.\n\nThis issue can be detected using following commands. Their output will display the interface status going down:\n\n\nuser@device>show interfaces <if--x/x/x>\nuser@device>show log messages | match <if--x/x/x>\nuser@device>show log messages ==> will display the \"[Error] Wedge-Detect : Host Loopback Wedge Detected: PFE: no,\" logs.\n\nThis issue affects:\nJunos OS on \n\nMX Series \n\nwith MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C line cards, and MX304: \n\n\n  *  All versions before 21.2R3-S7, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.2 before 22.2R3-S3, \n  *  all versions of 22.3,\n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2; \n\n\n\nJunos OS Evolved on PTX Series: \n  *  from 19.3R1-EVO before 21.2R3-S8-EVO,\n\n  *  from 21.4-EVO before 21.4R3-S7-EVO, \n  *  from 22.1-EVO before 22.1R3-S6-EVO, \n  *  from 22.2-EVO before 22.2R3-S5-EVO, \n  *  from 22.3-EVO before 22.3R3-S3-EVO, \n  *  from 22.4-EVO before 22.4R3-S1-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.\n\n\n\nJunos OS Evolved releases prior to 19.3R1-EVO are unaffected by this vulnerability"}], "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": "NOT_DEFINED", "Recovery": "USER", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 7.1, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "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/R:U", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-755", "description": "CWE-755 Improper Handling of Exceptional Conditions", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2024-10-11T15:16:49.788Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://supportportal.juniper.net/JSA88103"}], "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: \n\n21.2R3-S7, 21.4R3-S6, 22.2R3-S3, 22.4R3, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.<br>\nJunos OS Evolved:&nbsp;\n\n21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.1R3-S6-EVO, 22.2R3-S5-EVO*, 22.3R3-S3-EVO, 22.4R3-S1-EVO, 23.2R2-S2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.<br><br>*Future release"}], "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: \n\n21.2R3-S7, 21.4R3-S6, 22.2R3-S3, 22.4R3, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.\n\nJunos OS Evolved:\u00a0\n\n21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.1R3-S6-EVO, 22.2R3-S5-EVO*, 22.3R3-S3-EVO, 22.4R3-S1-EVO, 23.2R2-S2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.\n\n*Future release"}], "source": {"advisory": "JSA88103", "defect": ["1772092"], "discovery": "USER"}, "title": "Junos OS and Junos OS Evolved: MX Series with MPC10/MPC11/LC9600, MX304, EX9200, PTX Series: Receipt of malformed DHCP packets causes interfaces to stop processing packets", "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": "2024-10-11T19:01:38.512532Z", "id": "CVE-2024-39526", "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": "2024-10-11T19:01:50.987Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-39526", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-11T19:01:38.512532Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-11T19:01:46.366Z"}}], "cna": {"title": "Junos OS and Junos OS Evolved: MX Series with MPC10/MPC11/LC9600, MX304, EX9200, PTX Series: Receipt of malformed DHCP packets causes interfaces to stop processing packets", "source": {"defect": ["1772092"], "advisory": "JSA88103", "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": "USER", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "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/R:U", "providerUrgency": "NOT_DEFINED", "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": "22.2", "lessThan": "22.2R3-S3", "versionType": "semver"}, {"status": "affected", "version": "22.3", "versionType": "custom"}, {"status": "affected", "version": "22.4", "lessThan": "22.4R3", "versionType": "semver"}, {"status": "affected", "version": "23.2", "lessThan": "23.2R2", "versionType": "semver"}], "platforms": ["MX Series", "MX304", "EX9200"], "defaultStatus": "unaffected"}, {"vendor": "Juniper Networks", "product": "Junos OS Evolved", "versions": [{"status": "affected", "version": "19.3R1-EVO", "lessThan": "21.2R3-S8-EVO", "versionType": "semver"}, {"status": "affected", "version": "21.4-EVO", "lessThan": "21.4R3-S7-EVO", "versionType": "semver"}, {"status": "affected", "version": "22.1-EVO", "lessThan": "22.1R3-S6-EVO", "versionType": "semver"}, {"status": "affected", "version": "22.2-EVO", "lessThan": "22.2R3-S5-EVO", "versionType": "semver"}, {"status": "affected", "version": "22.3-EVO", "lessThan": "22.3R3-S3-EVO", "versionType": "semver"}, {"status": "affected", "version": "22.4-EVO", "lessThan": "22.4R3-S1-EVO", "versionType": "semver"}, {"status": "affected", "version": "23.2-EVO", "lessThan": "23.2R2-S2-EVO", "versionType": "semver"}, {"status": "affected", "version": "23.4-EVO", "lessThan": "23.4R2-EVO", "versionType": "semver"}, {"status": "unaffected", "version": "0", "lessThan": "19.3R1-EVO", "versionType": "semver"}], "platforms": ["PTX Series"], "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: \n\n21.2R3-S7, 21.4R3-S6, 22.2R3-S3, 22.4R3, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.\n\nJunos OS Evolved:\u00a0\n\n21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.1R3-S6-EVO, 22.2R3-S5-EVO*, 22.3R3-S3-EVO, 22.4R3-S1-EVO, 23.2R2-S2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.\n\n*Future release", "supportingMedia": [{"type": "text/html", "value": "The following software releases have been updated to resolve this specific issue:<br><br>Junos OS: \n\n21.2R3-S7, 21.4R3-S6, 22.2R3-S3, 22.4R3, 23.2R2, 23.4R2, 24.2R1, and all subsequent releases.<br>\nJunos OS Evolved:&nbsp;\n\n21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.1R3-S6-EVO, 22.2R3-S5-EVO*, 22.3R3-S3-EVO, 22.4R3-S1-EVO, 23.2R2-S2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.<br><br>*Future release", "base64": false}]}], "datePublic": "2024-10-09T16:00:00.000Z", "references": [{"url": "https://supportportal.juniper.net/JSA88103", "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 Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to stop, leading to a Denial of Service (DoS).\u00a0 Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition.\n\nThis issue only occurs if DHCP snooping is enabled. See configuration below.\n\nThis issue can be detected using following commands. Their output will display the interface status going down:\n\n\nuser@device>show interfaces <if--x/x/x>\nuser@device>show log messages | match <if--x/x/x>\nuser@device>show log messages ==> will display the \"[Error] Wedge-Detect : Host Loopback Wedge Detected: PFE: no,\" logs.\n\nThis issue affects:\nJunos OS on \n\nMX Series \n\nwith MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C line cards, and MX304: \n\n\n  *  All versions before 21.2R3-S7, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.2 before 22.2R3-S3, \n  *  all versions of 22.3,\n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2; \n\n\n\nJunos OS Evolved on PTX Series: \n  *  from 19.3R1-EVO before 21.2R3-S8-EVO,\n\n  *  from 21.4-EVO before 21.4R3-S7-EVO, \n  *  from 22.1-EVO before 22.1R3-S6-EVO, \n  *  from 22.2-EVO before 22.2R3-S5-EVO, \n  *  from 22.3-EVO before 22.3R3-S3-EVO, \n  *  from 22.4-EVO before 22.4R3-S1-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.\n\n\n\nJunos OS Evolved releases prior to 19.3R1-EVO are unaffected by this vulnerability", "supportingMedia": [{"type": "text/html", "value": "An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to stop, leading to a Denial of Service (DoS).&nbsp; Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition.<br><br>This issue only occurs if DHCP snooping is enabled. See configuration below.<br><br>This issue can be detected using following commands. Their output will display the interface status going down:<br><br>\n<tt>user@device&gt;show interfaces &lt;if--x/x/x&gt;<br>user@device&gt;show log messages | match &lt;if--x/x/x&gt;<br>user@device&gt;show log messages ==&gt; will display the \"[Error] Wedge-Detect : Host Loopback Wedge Detected: PFE: no,\" logs.<br><br></tt><p>This issue affects:<br>Junos OS on \n\nMX Series \n\nwith MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C line cards, and MX304: <br></p><ul><li>All versions before 21.2R3-S7, </li><li>from 21.4 before 21.4R3-S6, </li><li>from 22.2 before 22.2R3-S3, </li><li>all versions of 22.3,</li><li>from 22.4 before 22.4R3, </li><li>from 23.2 before 23.2R2; </li></ul><br>Junos OS Evolved on PTX Series: <br><ul><li>from 19.3R1-EVO before 21.2R3-S8-EVO,<br></li><li>from 21.4-EVO before 21.4R3-S7-EVO, </li><li>from 22.1-EVO before 22.1R3-S6-EVO, </li><li>from 22.2-EVO before 22.2R3-S5-EVO, </li><li>from 22.3-EVO before 22.3R3-S3-EVO, </li><li>from 22.4-EVO before 22.4R3-S1-EVO, </li><li>from 23.2-EVO before 23.2R2-S2-EVO, </li><li>from 23.4-EVO before 23.4R2-EVO.</li></ul><br>Junos OS Evolved releases prior to 19.3R1-EVO are unaffected by this vulnerability<p></p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-755", "description": "CWE-755 Improper Handling of Exceptional Conditions"}]}], "configurations": [{"lang": "en", "value": "DHCP snooping is enabled when the following options are configured:\n\n[forwarding-options dhcp-relay]\n[system services dhcp-local-server]", "supportingMedia": [{"type": "text/html", "value": "DHCP snooping is enabled when the following options are configured:<br><br><tt>[forwarding-options dhcp-relay]<br>[system services dhcp-local-server]</tt>", "base64": false}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2024-10-11T15:16:49.788Z"}}}, "cveMetadata": {"cveId": "CVE-2024-39526", "state": "PUBLISHED", "dateUpdated": "2024-10-11T19:01:50.987Z", "dateReserved": "2024-06-25T15:12:53.240Z", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "datePublished": "2024-10-11T15:16:49.788Z", "assignerShortName": "juniper"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to stop, leading to a Denial of Service (DoS).\u00a0 Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition.\n\nThis issue only occurs if DHCP snooping is enabled. See configuration below.\n\nThis issue can be detected using following commands. Their output will display the interface status going down:\n\n\nuser@device>show interfaces <if--x/x/x>\nuser@device>show log messages | match <if--x/x/x>\nuser@device>show log messages ==> will display the \"[Error] Wedge-Detect : Host Loopback Wedge Detected: PFE: no,\" logs.\n\nThis issue affects:\nJunos OS on \n\nMX Series \n\nwith MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C line cards, and MX304: \n\n\n  *  All versions before 21.2R3-S7, \n  *  from 21.4 before 21.4R3-S6, \n  *  from 22.2 before 22.2R3-S3, \n  *  all versions of 22.3,\n  *  from 22.4 before 22.4R3, \n  *  from 23.2 before 23.2R2; \n\n\n\nJunos OS Evolved on PTX Series: \n  *  from 19.3R1-EVO before 21.2R3-S8-EVO,\n\n  *  from 21.4-EVO before 21.4R3-S7-EVO, \n  *  from 22.1-EVO before 22.1R3-S6-EVO, \n  *  from 22.2-EVO before 22.2R3-S5-EVO, \n  *  from 22.3-EVO before 22.3R3-S3-EVO, \n  *  from 22.4-EVO before 22.4R3-S1-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.\n\n\n\nJunos OS Evolved releases prior to 19.3R1-EVO are unaffected by this vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de manejo inadecuado de condiciones excepcionales en el procesamiento de paquetes de Juniper Networks Junos OS en MX Series con tarjetas de l\u00ednea MPC10/MPC11/LC9600, EX9200 con tarjetas de l\u00ednea EX9200-15C, dispositivos MX304 y Juniper Networks Junos OS Evolved en PTX Series, permite que un atacante que env\u00ede paquetes DHCP malformados haga que se detenga el procesamiento de paquetes de entrada, lo que genera una denegaci\u00f3n de servicio (DoS). La recepci\u00f3n y el procesamiento continuos de estos paquetes crear\u00e1n una condici\u00f3n de denegaci\u00f3n de servicio (DoS) sostenida. Este problema solo ocurre si est\u00e1 habilitado el espionaje de DHCP. Consulte la configuraci\u00f3n a continuaci\u00f3n. Este problema se puede detectar con los siguientes comandos. Su salida mostrar\u00e1 el estado de la interfaz que se est\u00e1 desconectando: user@device&gt;show interfaces  user@device&gt;show log messages | match  user@device&gt;show log messages ==&gt; mostrar\u00e1 los registros \"[Error] Wedge-Detect : Host Loopback Wedge Detected: PFE: no\". Este problema afecta a: Junos OS en la serie MX con tarjetas de l\u00ednea MPC10/MPC11/LC9600, EX9200 con tarjetas de l\u00ednea EX9200-15C y MX304: * Todas las versiones anteriores a 21.2R3-S7, * desde 21.4 hasta 21.4R3-S6, * desde 22.2 hasta 22.2R3-S3, * todas las versiones de 22.3, * desde 22.4 hasta 22.4R3, * desde 23.2 hasta 23.2R2; Junos OS Evolved en la serie PTX: * desde 19.3R1-EVO hasta 21.2R3-S8-EVO, * desde 21.4-EVO hasta 21.4R3-S7-EVO, * desde 22.1-EVO hasta 22.1R3-S6-EVO, * desde 22.2-EVO hasta 22.2R3-S5-EVO, * desde 22.3-EVO hasta 22.3R3-S3-EVO, * desde 22.4-EVO hasta 22.4R3-S1-EVO, * desde 23.2-EVO hasta 23.2R2-S2-EVO, * desde 23.4-EVO hasta 23.4R2-EVO. Las versiones de Junos OS Evolved anteriores a 19.3R1-EVO no se ven afectadas por esta vulnerabilidad."}], "id": "CVE-2024-39526", "lastModified": "2024-10-15T12:58:51.050", "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": "Primary"}], "cvssMetricV40": [{"cvssData": {"attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "automatable": "NOT_DEFINED", "availabilityRequirements": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirements": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirements": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubsequentSystemAvailability": "NOT_DEFINED", "modifiedSubsequentSystemConfidentiality": "NOT_DEFINED", "modifiedSubsequentSystemIntegrity": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnerableSystemAvailability": "NOT_DEFINED", "modifiedVulnerableSystemConfidentiality": "NOT_DEFINED", "modifiedVulnerableSystemIntegrity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "recovery": "USER", "safety": "NOT_DEFINED", "subsequentSystemAvailability": "LOW", "subsequentSystemConfidentiality": "NONE", "subsequentSystemIntegrity": "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:X/R:U/V:X/RE:X/U:X", "version": "4.0", "vulnerabilityResponseEffort": "NOT_DEFINED", "vulnerableSystemAvailability": "HIGH", "vulnerableSystemConfidentiality": "NONE", "vulnerableSystemIntegrity": "NONE"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2024-10-11T16:15:06.440", "references": [{"source": "sirt@juniper.net", "url": "https://supportportal.juniper.net/JSA88103"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-755"}], "source": "sirt@juniper.net", "type": "Primary"}]}

{}