{"id":"CVE-2024-39552","state":"PUBLISHED","title":"Junos OS and Junos OS Evolved: Malformed BGP UPDATE causes RPD crash","description":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause the RPD process to crash leading to a Denial of Service (DoS).\n\nWhen a malformed BGP UPDATE packet is received over an established BGP session, RPD crashes and restarts.\n\nContinuous receipt of the malformed BGP UPDATE messages will create a sustained Denial of Service (DoS) condition for impacted devices.\n\nThis issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations.  This issue requires a remote attacker to have at least one established BGP session.\n\nThis issue affects:\n \nJuniper Networks Junos OS:\n  *  All versions earlier than 20.4R3-S9;\n  *  21.2 versions earlier than 21.2R3-S7;\n  *  21.3 versions earlier than 21.3R3-S5;\n  *  21.4 versions earlier than 21.4R3-S6;\n  *  22.1 versions earlier than 22.1R3-S4;\n  *  22.2 versions earlier than 22.2R3-S3;\n  *  22.3 versions earlier than 22.3R3-S2;\n  *  22.4 versions earlier than 22.4R3;\n  *  23.2 versions earlier than 23.2R2.\n\n\n\nJuniper Networks Junos OS Evolved:\n  *  All versions earlier than 21.2R3-S7;\n  *  21.3-EVO versions earlier than 21.3R3-S5;\n  *  21.4-EVO versions earlier than 21.4R3-S8;\n  *  22.1-EVO versions earlier than 22.1R3-S4;\n  *  22.2-EVO versions earlier than 22.2R3-S3;\n  *  22.3-EVO versions earlier than 22.3R3-S2;\n  *  22.4-EVO versions earlier than 22.4R3;\n  *  23.2-EVO versions earlier than 23.2R2.","publishedAt":"2024-07-11T16:30:36.672Z","updatedAt":"2024-08-02T04:26:15.942Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS","Juniper Networks Junos OS Evolved"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20.4R3-S9","versionType":"semver"},{"version":"21.2","status":"affected","lessThan":"21.2R3-S7","versionType":"semver"},{"version":"21.3","status":"affected","lessThan":"21.3R3-S6","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4R3-S6","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1R3-S4","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S3","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S2","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.2R3-S7-EVO","versionType":"semver"},{"version":"21.3-EVO","status":"affected","lessThan":"21.3R3-S5-EVO","versionType":"semver"},{"version":"21.4-EVO","status":"affected","lessThan":"21.4R3-S8-EVO","versionType":"semver"},{"version":"22.1-EVO","status":"affected","lessThan":"22.1R3-S4-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S3-EVO","versionType":"semver"},{"version":"22.3-EVO","status":"affected","lessThan":"22.3R3-S2-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"},{"version":"23.4-EVO","status":"affected","lessThan":"23.4R1-EVO","versionType":"semver"}]}],"references":["https://supportportal.juniper.net/JSA75726"],"weaknesses":["CWE-755"],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/39xxx/CVE-2024-39552.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-39552","state":"PUBLISHED","datePublished":"2024-07-11T16:30:36.672Z","dateUpdated":"2024-08-02T04:26:15.942Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2024-06-25T15:12:53.246Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: Malformed BGP UPDATE causes RPD crash","descriptions":[{"lang":"en","value":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause the RPD process to crash leading to a Denial of Service (DoS).\n\nWhen a malformed BGP UPDATE packet is received over an established BGP session, RPD crashes and restarts.\n\nContinuous receipt of the malformed BGP UPDATE messages will create a sustained Denial of Service (DoS) condition for impacted devices.\n\nThis issue affects eBGP and iBGP, in both IPv4 and IPv6 implementations.  This issue requires a remote attacker to have at least one established BGP session.\n\nThis issue affects:\n \nJuniper Networks Junos OS:\n  *  All versions earlier than 20.4R3-S9;\n  *  21.2 versions earlier than 21.2R3-S7;\n  *  21.3 versions earlier than 21.3R3-S5;\n  *  21.4 versions earlier than 21.4R3-S6;\n  *  22.1 versions earlier than 22.1R3-S4;\n  *  22.2 versions earlier than 22.2R3-S3;\n  *  22.3 versions earlier than 22.3R3-S2;\n  *  22.4 versions earlier than 22.4R3;\n  *  23.2 versions earlier than 23.2R2.\n\n\n\nJuniper Networks Junos OS Evolved:\n  *  All versions earlier than 21.2R3-S7;\n  *  21.3-EVO versions earlier than 21.3R3-S5;\n  *  21.4-EVO versions earlier than 21.4R3-S8;\n  *  22.1-EVO versions earlier than 22.1R3-S4;\n  *  22.2-EVO versions earlier than 22.2R3-S3;\n  *  22.3-EVO versions earlier than 22.3R3-S2;\n  *  22.4-EVO versions earlier than 22.4R3;\n  *  23.2-EVO versions earlier than 23.2R2."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20.4R3-S9","versionType":"semver"},{"version":"21.2","status":"affected","lessThan":"21.2R3-S7","versionType":"semver"},{"version":"21.3","status":"affected","lessThan":"21.3R3-S6","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4R3-S6","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1R3-S4","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S3","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S2","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.2R3-S7-EVO","versionType":"semver"},{"version":"21.3-EVO","status":"affected","lessThan":"21.3R3-S5-EVO","versionType":"semver"},{"version":"21.4-EVO","status":"affected","lessThan":"21.4R3-S8-EVO","versionType":"semver"},{"version":"22.1-EVO","status":"affected","lessThan":"22.1R3-S4-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S3-EVO","versionType":"semver"},{"version":"22.3-EVO","status":"affected","lessThan":"22.3R3-S2-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"},{"version":"23.4-EVO","status":"affected","lessThan":"23.4R1-EVO","versionType":"semver"}]}],"references":[{"url":"https://supportportal.juniper.net/JSA75726","tags":["vendor-advisory"]}],"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"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A","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":{"shortName":"juniper","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateUpdated":"2024-07-30T21:08:27.291Z"},"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p></p>To be exposed to this issue the device needs to be configure for one established BGP session:<br><br>[ protocols bgp group &lt;name&gt; neighbor &lt;address&gt; ]<tt></tt><p><br></p>"}],"value":"To be exposed to this issue the device needs to be configure for one established BGP session:\n\n[ protocols bgp group <name> neighbor <address> ]"}],"credits":[{"lang":"en","type":"reporter","value":"Juniper SIRT would like to acknowledge and thank Matteo Memilli (mmemelli@amazon.com) from Amazon for responsibly reporting this vulnerability."}],"datePublic":"2024-07-10T16:00:00.000Z","exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The following software releases have been updated to resolve this specific issue: </p><p>Junos OS: 20.4R3-S9, 21.2R3-S7, 21.3R3-S5, 21.4R3-S5, 22.1R3-S4, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases.</p><p>Junos OS Evolved: 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S8-EVO, 22.1R3-S4-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases.</p>"}],"value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 20.4R3-S9, 21.2R3-S7, 21.3R3-S5, 21.4R3-S5, 22.1R3-S4, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases.\n\nJunos OS Evolved: 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S8-EVO, 22.1R3-S4-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA75726","defect":["1755287"],"discovery":"EXTERNAL"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>There are no known workarounds for this issue.</p>"}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.1.0-av217"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"juniper","product":"junos","defaultStatus":"unknown","versions":[{"version":"21.2","status":"affected","lessThan":"21.2r3-s7","versionType":"semver"},{"version":"21.3","status":"affected","lessThan":"21.3r3-s6","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4r3-s6","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2r3-s3","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3r3-s2","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4r3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2r2","versionType":"semver"}],"cpes":["cpe:2.3:o:juniper:junos:21.2:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos:21.3:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos:21.4:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos:22.2:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos:22.3:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos:22.4:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos:23.2:*:*:*:*:*:*:*"]},{"vendor":"juniper","product":"junos","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20.4r3-s9","versionType":"semver"}],"cpes":["cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*"]},{"vendor":"juniper","product":"junos","defaultStatus":"unaffected","versions":[{"version":"22.1","status":"affected","lessThan":"22.1r3-s4","versionType":"semver"}],"cpes":["cpe:2.3:o:juniper:junos:22.1:-:*:*:*:*:*:*"]},{"vendor":"juniper","product":"junos_os_evolved","defaultStatus":"unknown","versions":[{"version":"21.3","status":"affected","lessThan":"21.3r3-s5","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4r3-s8","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1r3-s4","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2r3-s3","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3r3-s2","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4r3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2r2","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4r1","versionType":"semver"}],"cpes":["cpe:2.3:o:juniper:junos_os_evolved:21.3:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos_os_evolved:21.4:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos_os_evolved:22.1:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos_os_evolved:22.2:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos_os_evolved:22.3:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos_os_evolved:22.4:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos_os_evolved:23.2:*:*:*:*:*:*:*","cpe:2.3:o:juniper:junos_os_evolved:23.4:*:*:*:*:*:*:*"]},{"vendor":"juniper","product":"junos_os_evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.2r3-s7","versionType":"semver"}],"cpes":["cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-11T17:55:41.253582Z","id":"CVE-2024-39552","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-11T18:44:39.895Z"}},{"title":"CVE Program Container","references":[{"url":"https://supportportal.juniper.net/JSA75726","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T04:26:15.942Z"}}]}}}