CVE-2023-36831

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-36831", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2023-06-27T16:17:25.275Z", "datePublished": "2023-07-14T14:56:32.306Z", "dateUpdated": "2024-11-07T14:41:49.644Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["SRX Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "22.2R3", "status": "affected", "version": "22.2", "versionType": "custom"}, {"lessThan": "22.3R2-S1, 22.3R3", "status": "affected", "version": "22.3", "versionType": "custom"}, {"lessThan": "22.4R1-S2, 22.4R2", "status": "affected", "version": "22.4", "versionType": "custom"}, {"lessThan": "22.2R2", "status": "unaffected", "version": "unspecified", "versionType": "custom"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The following sample configuration options highlight the features required to be affected by this issue:<br><tt>&nbsp; set services ssl proxy profile SSL-PROXY protocol-version tls12-and-lower<br>&nbsp; set services ssl proxy profile SSL-PROXY trusted-ca all<br>&nbsp; set services ssl proxy profile SSL-PROXY root-ca ssl-proxy-ecdsa1<br>&nbsp; set security pki ca-profile SECURITY-CA-GROUP_1 ca-identity SECURITY-CA-GROUP_1<br></tt>...<br><tt>&nbsp; set security utm default-configuration web-filtering juniper-enhanced default log-and-permit<br>&nbsp; set security utm feature-profile web-filtering juniper-enhanced profile 2 category ... action block<br></tt>...<br><tt>&nbsp; set security utm utm-policy 1 web-filtering http-profile 2<br></tt>...<br><tt>&nbsp; set security policies from-zone private to-zone internet policy 1 then permit application-services ssl-proxy profile-name SSL-PROXY<br>&nbsp; set security policies from-zone private to-zone internet policy 1 then permit application-services utm-policy 1</tt><br>"}], "value": "The following sample configuration options highlight the features required to be affected by this issue:\n\u00a0 set services ssl proxy profile SSL-PROXY protocol-version tls12-and-lower\n\u00a0 set services ssl proxy profile SSL-PROXY trusted-ca all\n\u00a0 set services ssl proxy profile SSL-PROXY root-ca ssl-proxy-ecdsa1\n\u00a0 set security pki ca-profile SECURITY-CA-GROUP_1 ca-identity SECURITY-CA-GROUP_1\n...\n\u00a0 set security utm default-configuration web-filtering juniper-enhanced default log-and-permit\n\u00a0 set security utm feature-profile web-filtering juniper-enhanced profile 2 category ... action block\n...\n\u00a0 set security utm utm-policy 1 web-filtering http-profile 2\n...\n\u00a0 set security policies from-zone private to-zone internet policy 1 then permit application-services ssl-proxy profile-name SSL-PROXY\n\u00a0 set security policies from-zone private to-zone internet policy 1 then permit application-services utm-policy 1\n"}], "datePublic": "2023-07-12T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Improper Check or Handling of Exceptional Conditions vulnerability in the UTM (Unified Threat Management) Web-Filtering feature of Juniper Networks Junos OS on SRX Series causes a jbuf memory leak to occur when accessing certain websites, eventually leading to a Denial of Service (DoS) condition. Service restoration is only possible by rebooting the system.<br><br>The jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability.<br><br>This issue affects Juniper Networks Junos OS on SRX Series:<br>22.2 versions prior to 22.2R3;<br>22.3 versions prior to 22.3R2-S1, 22.3R3;<br>22.4 versions prior to 22.4R1-S2, 22.4R2.<br><br>This issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.<br>"}], "value": "An Improper Check or Handling of Exceptional Conditions vulnerability in the UTM (Unified Threat Management) Web-Filtering feature of Juniper Networks Junos OS on SRX Series causes a jbuf memory leak to occur when accessing certain websites, eventually leading to a Denial of Service (DoS) condition. Service restoration is only possible by rebooting the system.\n\nThe jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability.\n\nThis issue affects Juniper Networks Junos OS on SRX Series:\n22.2 versions prior to 22.2R3;\n22.3 versions prior to 22.3R2-S1, 22.3R3;\n22.4 versions prior to 22.4R1-S2, 22.4R2.\n\nThis issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.\n"}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.<br>"}], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\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-703", "description": "CWE-703 Improper Check or Handling of Exceptional Conditions", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"description": "Denial of Service (DoS)", "lang": "en"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2023-07-14T14:56:32.306Z"}, "references": [{"url": "https://supportportal.juniper.net/JSA71636"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.1R1, and all subsequent releases.<br>"}], "value": "The following software releases have been updated to resolve this specific issue: Junos OS 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.1R1, and all subsequent releases.\n"}], "source": {"defect": ["1709031"], "discovery": "USER"}, "title": "Junos OS: SRX Series: jbuf memory leak when SSL Proxy and UTM Web-Filtering is applied", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "There are no known workarounds for this issue.<br>"}], "value": "There are no known workarounds for this issue.\n"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T17:01:09.920Z"}, "title": "CVE Program Container", "references": [{"url": "https://supportportal.juniper.net/JSA71636", "tags": ["x_transferred"]}]}, {"affected": [{"vendor": "juniper_networks", "product": "junos_os", "cpes": ["cpe:2.3:a:juniper_networks:junos_os:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "22.2", "status": "affected", "lessThan": "22.2R3", "versionType": "custom"}, {"version": "22.3", "status": "affected", "lessThan": "22.3R2-S1", "versionType": "custom"}, {"version": "22.3", "status": "affected", "lessThan": "22.3R3", "versionType": "custom"}, {"version": "22.4", "status": "affected", "lessThan": "22.4R1-S2", "versionType": "custom"}, {"version": "22.4", "status": "affected", "lessThan": "22.4R2", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "22.2R2", "versionType": "custom"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-11-07T14:39:03.046485Z", "id": "CVE-2023-36831", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2024-11-07T14:41:49.644Z"}}]}}

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Service restoration is only possible by rebooting the system.\n\nThe jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability.\n\nThis issue affects Juniper Networks Junos OS on SRX Series:\n22.2 versions prior to 22.2R3;\n22.3 versions prior to 22.3R2-S1, 22.3R3;\n22.4 versions prior to 22.4R1-S2, 22.4R2.\n\nThis issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.\n", "supportingMedia": [{"type": "text/html", "value": "An Improper Check or Handling of Exceptional Conditions vulnerability in the UTM (Unified Threat Management) Web-Filtering feature of Juniper Networks Junos OS on SRX Series causes a jbuf memory leak to occur when accessing certain websites, eventually leading to a Denial of Service (DoS) condition. Service restoration is only possible by rebooting the system.<br><br>The jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability.<br><br>This issue affects Juniper Networks Junos OS on SRX Series:<br>22.2 versions prior to 22.2R3;<br>22.3 versions prior to 22.3R2-S1, 22.3R3;<br>22.4 versions prior to 22.4R1-S2, 22.4R2.<br><br>This issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.<br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-703", "description": "CWE-703 Improper Check or Handling of Exceptional Conditions"}]}, {"descriptions": [{"lang": "en", "description": "Denial of Service (DoS)"}]}], "configurations": [{"lang": "en", "value": "The following sample configuration options highlight the features required to be affected by this issue:\n\u00a0 set services ssl proxy profile SSL-PROXY protocol-version tls12-and-lower\n\u00a0 set services ssl proxy profile SSL-PROXY trusted-ca all\n\u00a0 set services ssl proxy profile SSL-PROXY root-ca ssl-proxy-ecdsa1\n\u00a0 set security pki ca-profile SECURITY-CA-GROUP_1 ca-identity SECURITY-CA-GROUP_1\n...\n\u00a0 set security utm default-configuration web-filtering juniper-enhanced default log-and-permit\n\u00a0 set security utm feature-profile web-filtering juniper-enhanced profile 2 category ... action block\n...\n\u00a0 set security utm utm-policy 1 web-filtering http-profile 2\n...\n\u00a0 set security policies from-zone private to-zone internet policy 1 then permit application-services ssl-proxy profile-name SSL-PROXY\n\u00a0 set security policies from-zone private to-zone internet policy 1 then permit application-services utm-policy 1\n", "supportingMedia": [{"type": "text/html", "value": "The following sample configuration options highlight the features required to be affected by this issue:<br><tt>&nbsp; set services ssl proxy profile SSL-PROXY protocol-version tls12-and-lower<br>&nbsp; set services ssl proxy profile SSL-PROXY trusted-ca all<br>&nbsp; set services ssl proxy profile SSL-PROXY root-ca ssl-proxy-ecdsa1<br>&nbsp; set security pki ca-profile SECURITY-CA-GROUP_1 ca-identity SECURITY-CA-GROUP_1<br></tt>...<br><tt>&nbsp; set security utm default-configuration web-filtering juniper-enhanced default log-and-permit<br>&nbsp; set security utm feature-profile web-filtering juniper-enhanced profile 2 category ... action block<br></tt>...<br><tt>&nbsp; set security utm utm-policy 1 web-filtering http-profile 2<br></tt>...<br><tt>&nbsp; set security policies from-zone private to-zone internet policy 1 then permit application-services ssl-proxy profile-name SSL-PROXY<br>&nbsp; set security policies from-zone private to-zone internet policy 1 then permit application-services utm-policy 1</tt><br>", "base64": false}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2023-07-14T14:56:32.306Z"}}}, "cveMetadata": {"cveId": "CVE-2023-36831", "state": "PUBLISHED", "dateUpdated": "2024-11-07T14:41:49.644Z", "dateReserved": "2023-06-27T16:17:25.275Z", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "datePublished": "2023-07-14T14:56:32.306Z", "assignerShortName": "juniper"}, "dataVersion": "5.1"}

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Service restoration is only possible by rebooting the system.\n\nThe jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability.\n\nThis issue affects Juniper Networks Junos OS on SRX Series:\n22.2 versions prior to 22.2R3;\n22.3 versions prior to 22.3R2-S1, 22.3R3;\n22.4 versions prior to 22.4R1-S2, 22.4R2.\n\nThis issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.\n"}], "id": "CVE-2023-36831", "lastModified": "2026-06-17T06:07:10.310", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-36831", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-07T14:39:03.046485Z", "version": "2.0.3"}}]}, "published": "2023-07-14T15:15:08.913", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA71636"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA71636"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-703"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

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