{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-25617", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2024-02-08T22:26:33.510Z", "datePublished": "2024-02-14T20:55:52.004Z", "dateUpdated": "2024-08-16T18:06:08.382Z"}, "containers": {"cna": {"title": "Denial of Service in HTTP Header parser in squid proxy", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-182", "lang": "en", "description": "CWE-182: Collapse of Data into Unsafe Value", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}}], "references": [{"name": "https://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr"}, {"name": "https://github.com/squid-cache/squid/commit/72a3bbd5e431597c3fdb56d752bc56b010ba3817", "tags": ["x_refsource_MISC"], "url": "https://github.com/squid-cache/squid/commit/72a3bbd5e431597c3fdb56d752bc56b010ba3817"}, {"url": "https://security.netapp.com/advisory/ntap-20240322-0006/"}], "affected": [{"vendor": "squid-cache", "product": "squid", "versions": [{"version": "< 6.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2024-02-14T20:55:52.004Z"}, "descriptions": [{"lang": "en", "value": "Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Collapse of Data into Unsafe Value bug ,Squid may be vulnerable to a Denial of Service attack against HTTP header parsing. This problem allows a remote client or a remote server to perform Denial of Service when sending oversized headers in HTTP messages. In versions of Squid prior to 6.5 this can be achieved if the request_header_max_size or reply_header_max_size settings are unchanged from the default. In Squid version 6.5 and later, the default setting of these parameters is safe. Squid will emit a critical warning in cache.log if the administrator is setting these parameters to unsafe values. Squid will not at this time prevent these settings from being changed to unsafe values. Users are advised to upgrade to version 6.5. There are no known workarounds for this vulnerability. This issue is also tracked as SQUID-2024:2 "}], "source": {"advisory": "GHSA-h5x6-w8mv-xfpr", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T23:44:09.683Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr"}, {"name": "https://github.com/squid-cache/squid/commit/72a3bbd5e431597c3fdb56d752bc56b010ba3817", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/squid-cache/squid/commit/72a3bbd5e431597c3fdb56d752bc56b010ba3817"}, {"url": "https://security.netapp.com/advisory/ntap-20240322-0006/", "tags": ["x_transferred"]}]}, {"affected": [{"vendor": "squid-cache", "product": "squid", "cpes": ["cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "6.5", "versionType": "custom"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-08-16T18:04:53.172761Z", "id": "CVE-2024-25617", "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": "2024-08-16T18:06:08.382Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Collapse of Data into Unsafe Value bug ,Squid may be vulnerable to a Denial of Service attack against HTTP header parsing. This problem allows a remote client or a remote server to perform Denial of Service when sending oversized headers in HTTP messages. In versions of Squid prior to 6.5 this can be achieved if the request_header_max_size or reply_header_max_size settings are unchanged from the default. In Squid version 6.5 and later, the default setting of these parameters is safe. Squid will emit a critical warning in cache.log if the administrator is setting these parameters to unsafe values. Squid will not at this time prevent these settings from being changed to unsafe values. Users are advised to upgrade to version 6.5. There are no known workarounds for this vulnerability. This issue is also tracked as SQUID-2024:2 "}, {"lang": "es", "value": "Squid es un proxy de almacenamiento en cach\u00e9 de c\u00f3digo abierto para la Web que admite HTTP, HTTPS, FTP y m\u00e1s. Debido a un error de colapso de datos en valor inseguro, Squid puede ser vulnerable a un ataque de denegaci\u00f3n de servicio contra el an\u00e1lisis de encabezados HTTP. Este problema permite que un cliente remoto o un servidor remoto realice una Denegaci\u00f3n de Servicio al enviar encabezados de gran tama\u00f1o en mensajes HTTP. En versiones de Squid anteriores a la 6.5, esto se puede lograr si las configuraciones request_header_max_size o Reply_header_max_size no se modifican con respecto a las predeterminadas. En la versi\u00f3n 6.5 y posteriores de Squid, la configuraci\u00f3n predeterminada de estos par\u00e1metros es segura. Squid emitir\u00e1 una advertencia cr\u00edtica en cache.log si el administrador configura estos par\u00e1metros en valores no seguros. Squid no impedir\u00e1 en este momento que estas configuraciones se cambien a valores inseguros. Se recomienda a los usuarios que actualicen a la versi\u00f3n 6.5. No se conocen workarounds para esta vulnerabilidad. Este problema tambi\u00e9n se rastrea como SQUID-2024:2"}], "id": "CVE-2024-25617", "lastModified": "2024-03-22T19:15:08.553", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2024-02-14T21:15:08.197", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/squid-cache/squid/commit/72a3bbd5e431597c3fdb56d752bc56b010ba3817"}, {"source": "security-advisories@github.com", "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr"}, {"source": "security-advisories@github.com", "url": "https://security.netapp.com/advisory/ntap-20240322-0006/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-182"}, {"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:1787", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "squid-7:3.5.20-17.el7_9.10", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2024-04-11T00:00:00Z"}, {"advisory": "RHSA-2024:1375", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "squid:4-8090020240314114525.a75119d5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:2777", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "squid:4-8020020240313150557.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2024-05-09T00:00:00Z"}, {"advisory": "RHSA-2024:2777", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "squid:4-8020020240313150557.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2024-05-09T00:00:00Z"}, {"advisory": "RHSA-2024:2777", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "squid:4-8020020240313150557.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2024-05-09T00:00:00Z"}, {"advisory": "RHSA-2024:1832", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "squid:4-8040020240312224211.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1832", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "squid:4-8040020240312224211.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1832", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "squid:4-8040020240312224211.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1066", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "squid:4-8060020240227214219.ad008a3a", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-03-04T00:00:00Z"}, {"advisory": "RHSA-2024:1062", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "squid:4-8080020240227184832.63b34585", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-03-01T00:00:00Z"}, {"advisory": "RHSA-2024:1376", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "squid-7:5.5-6.el9_3.8", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:1833", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "squid-7:5.2-1.el9_0.6", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1184", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "squid-7:5.5-5.el9_2.5", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-03-06T00:00:00Z"}], "bugzilla": {"description": "squid: denial of service in HTTP header parser", "id": "2264309", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2264309"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "status": "verified"}, "cwe": "(CWE-182|CWE-400)", "details": ["Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Collapse of Data into Unsafe Value bug ,Squid may be vulnerable to a Denial of Service attack against HTTP header parsing. This problem allows a remote client or a remote server to perform Denial of Service when sending oversized headers in HTTP messages. In versions of Squid prior to 6.5 this can be achieved if the request_header_max_size or reply_header_max_size settings are unchanged from the default. In Squid version 6.5 and later, the default setting of these parameters is safe. Squid will emit a critical warning in cache.log if the administrator is setting these parameters to unsafe values. Squid will not at this time prevent these settings from being changed to unsafe values. Users are advised to upgrade to version 6.5. There are no known workarounds for this vulnerability. This issue is also tracked as SQUID-2024:2", "A flaw was found in Squid. This issue may allow a remote client or remote server to trigger a denial of service when sending oversized headers in HTTP messages."], "mitigation": {"lang": "en:us", "value": "To mitigate this flaw in Squid versions prior to 6.5, set the request_header_max_size and reply_header_max_size configuration options to 21KB. The following lines should be added to the Squid configuration file:\n~~~\nrequest_header_max_size 21 KB\nreply_header_max_size 21 KB\n~~~\nIn Squid versions 6.5 and newer, the default values of these options are considered safe and the above configuration can be removed. Also, Squid will emit a warning in the logs if the configured values are unsafe."}, "name": "CVE-2024-25617", "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"}], "public_date": "2024-02-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-25617\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-25617\nhttps://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr\nhttps://megamansec.github.io/Squid-Security-Audit/response-memleaks.html"], "statement": "This issue can be exploitable when the Squid request_header_max_size and reply_header_max_size configuration options have a big value, specifically, values greater than 64KB. In Squid versions prior to 6.5, the default value of these options are unsafe.\nThe Squid package as shipped in Red Hat Enterprise Linux 7, 8 and 9 has an unsafe default configuration and is vulnerable to this issue.", "threat_severity": "Important", "upstream_fix": "squid 6.5"}