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This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included)."}, {"lang": "es", "value": "Un URI dise\u00f1ado que es enviado a httpd configurado como proxy directo (ProxyRequests on) puede causar un fallo (desreferencia de puntero NULL) o, en el caso de configuraciones que mezclan declaraciones de proxy directo e inverso, puede permitir que las peticiones se dirijan a un endpoint de socket de dominio Unix declarado (Server Side Request Forgery). Este problema afecta a Apache HTTP Server versiones 2.4.7 hasta 2.4.51 (incluy\u00e9ndola)"}], "id": "CVE-2021-44224", "lastModified": "2024-11-21T06:30:37.133", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-20T12:15:07.393", "references": [{"source": "security@apache.org", "tags": ["Vendor Advisory"], "url": "http://httpd.apache.org/security/vulnerabilities_24.html"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/May/33"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/May/35"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/May/38"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/12/20/3"}, {"source": "security@apache.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/"}, {"source": "security@apache.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/"}, {"source": "security@apache.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/"}, {"source": "security@apache.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/"}, {"source": "security@apache.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202208-20"}, {"source": "security@apache.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20211224-0001/"}, {"source": "security@apache.org", "tags": ["Third 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://httpd.apache.org/security/vulnerabilities_24.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/May/33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/May/35"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/May/38"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/12/20/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202208-20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20211224-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213255"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213256"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/kb/HT213257"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5035"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/tns-2022-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/tns-2022-03"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:7143", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-httpd-0:2.4.51-28.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2022-10-26T00:00:00Z"}, {"advisory": "RHSA-2022:7143", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-httpd-0:2.4.51-28.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2022-10-26T00:00:00Z"}, {"advisory": "RHSA-2022:1915", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "httpd:2.4-8060020220321163517.d63f516d", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-05-10T00:00:00Z"}, {"advisory": "RHSA-2022:6753", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "httpd24-httpd-0:2.4.34-23.el7.5", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2022-09-29T00:00:00Z"}, {"advisory": "RHSA-2022:7144", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "jbcs-httpd24-httpd", "product_name": "Text-Only JBCS", "release_date": "2022-10-26T00:00:00Z"}], "bugzilla": {"description": "httpd: possible NULL dereference or SSRF in forward proxy configurations", "id": "2034672", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034672"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H", "status": "verified"}, "cwe": "(CWE-476|CWE-918)", "details": ["A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).", "There's a null pointer dereference and server-side request forgery flaw in httpd's mod_proxy module, when it is configured to be used as a forward proxy. A crafted packet could be sent on the adjacent network to the forward proxy that could cause a crash, or potentially SSRF via misdirected Unix Domain Socket requests. In the worst case, this could cause a denial of service or compromise to confidentiality of data."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2021-44224", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Out of support scope", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}], "public_date": "2021-12-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-44224\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-44224\nhttp://httpd.apache.org/security/vulnerabilities_24.html"], "statement": "This flaw does not affect httpd configurations that do not use forward proxy functionality (configurations where ProxyRequests is turned off).", "threat_severity": "Moderate"}

{}