{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-49288", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-11-24T16:45:24.312Z", "datePublished": "2023-12-04T22:49:31.317Z", "dateUpdated": "2024-10-15T17:38:43.439Z"}, "containers": {"cna": {"title": "Denial of Service in HTTP Collapsed Forwarding in Squid", "problemTypes": [{"descriptions": [{"cweId": "CWE-416", "lang": "en", "description": "CWE-416: Use After Free", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/squid-cache/squid/security/advisories/GHSA-rj5h-46j6-q2g5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-rj5h-46j6-q2g5"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/"}, {"url": "https://security.netapp.com/advisory/ntap-20240119-0006/"}], "affected": [{"vendor": "squid-cache", "product": "squid", "versions": [{"version": ">= 3.5, < 6.0.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-12-04T22:49:31.317Z"}, "descriptions": [{"lang": "en", "value": "Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with \"collapsed_forwarding on\" are vulnerable. Configurations with \"collapsed_forwarding off\" or without a \"collapsed_forwarding\" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should remove all collapsed_forwarding lines from their squid.conf."}], "source": {"advisory": "GHSA-rj5h-46j6-q2g5", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T21:53:44.876Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/squid-cache/squid/security/advisories/GHSA-rj5h-46j6-q2g5", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-rj5h-46j6-q2g5"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/", "tags": ["x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20240119-0006/", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-10-15T17:28:35.294191Z", "id": "CVE-2023-49288", "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": "2024-10-15T17:38:43.439Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", "matchCriteriaId": "58165CD0-BDD1-48E3-86A8-4A3CA5AC2039", "versionEndIncluding": "5.9", "versionStartIncluding": "3.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with \"collapsed_forwarding on\" are vulnerable. Configurations with \"collapsed_forwarding off\" or without a \"collapsed_forwarding\" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should remove all collapsed_forwarding lines from their squid.conf."}, {"lang": "es", "value": "Squid es un proxy de almacenamiento en cach\u00e9 para la Web que admite HTTP, HTTPS, FTP y m\u00e1s. Las versiones afectadas de squid est\u00e1n sujetas a un error Use-After-Free que puede provocar un ataque de denegaci\u00f3n de servicio mediante reenv\u00edo colapsado. Todas las versiones de Squid desde la 3.5 hasta la 5.9 inclusive configuradas con \"collapsed_forwarding on\" son vulnerables. Las configuraciones con \"collapsed_forwarding desactivado\" o sin una directiva \"collapsed_forwarding\" no son vulnerables. Este error se solucion\u00f3 con la versi\u00f3n 6.0.1 de Squid. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben eliminar todas las l\u00edneas collapsed_forwarding de su squid.conf."}], "id": "CVE-2023-49288", "lastModified": "2024-01-19T16:15:09.930", "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": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2023-12-04T23:15:27.477", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-rj5h-46j6-q2g5"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/"}, {"source": "security-advisories@github.com", "url": "https://security.netapp.com/advisory/ntap-20240119-0006/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:7668", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "squid:4-8090020231130092412.a75119d5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-12-06T00:00:00Z"}, {"advisory": "RHSA-2023:7465", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "squid-7:5.5-6.el9_3.2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-22T00:00:00Z"}], "bugzilla": {"description": "squid: Use-After-Free in the HTTP Collapsed Forwarding Feature", "id": "2252918", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2252918"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with \"collapsed_forwarding on\" are vulnerable. Configurations with \"collapsed_forwarding off\" or without a \"collapsed_forwarding\" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should remove all collapsed_forwarding lines from their squid.conf.", "A flaw was found in Squid. The use of the HTTP Collapsed Forwarding configuration may allow an attacker to perform a denial of service remotely."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, lines for the 'collapsed_forwarding' feature have to be removed from your squid.conf."}, "name": "CVE-2023-49288", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "squid34", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "squid", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-12-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-49288\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-49288"], "statement": "Collapsed Forwarding features are only used in Squid for accelerator servers and is not enabled by default, lowering the severity of this flaw to Moderate.", "threat_severity": "Moderate", "upstream_fix": "squid 6.0.1"}