CVE-2018-11763 (GCVE-0-2018-11763)
Vulnerability from cvelistv5
Published
2018-09-25 21:00
Modified
2024-09-17 02:21
Severity ?
CWE
  • mod_http2, DoS via continuous SETTINGS frames
Summary
In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.
References
security@apache.org http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html
security@apache.org http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html
security@apache.org http://www.securityfocus.com/bid/105414 Third Party Advisory, VDB Entry
security@apache.org http://www.securitytracker.com/id/1041713 Third Party Advisory, VDB Entry
security@apache.org https://access.redhat.com/errata/RHSA-2018:3558 Third Party Advisory
security@apache.org https://access.redhat.com/errata/RHSA-2019:0366 Third Party Advisory
security@apache.org https://access.redhat.com/errata/RHSA-2019:0367 Third Party Advisory
security@apache.org https://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
security@apache.org https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
security@apache.org https://security.netapp.com/advisory/ntap-20190204-0004/ Third Party Advisory
security@apache.org https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us Third Party Advisory
security@apache.org https://usn.ubuntu.com/3783-1/ Third Party Advisory
security@apache.org https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html Patch, Third Party Advisory
security@apache.org https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html Patch, Third Party Advisory
security@apache.org https://www.tenable.com/security/tns-2019-09
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html
af854a3a-2127-422b-91ae-364da2661108 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html
af854a3a-2127-422b-91ae-364da2661108 http://www.securityfocus.com/bid/105414 Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 http://www.securitytracker.com/id/1041713 Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:3558 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2019:0366 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2019:0367 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20190204-0004/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/3783-1/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.tenable.com/security/tns-2019-09
Impacted products
Vendor Product Version
Apache Software Foundation Apache HTTP Server Version: 2.4.17 to 2.4.34
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h2.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.4.17\",\"versionEndIncluding\":\"2.4.34\",\"matchCriteriaId\":\"5B01C8E1-1FD7-4114-823E-7220B705A031\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"041F9200-4C01-4187-AE34-240E8277B54D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4EB48767-F095-444F-9E05-D9AC345AB803\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F6FA12B-504C-4DBF-A32E-0548557AA2ED\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AB654DFA-FEF9-4D00-ADB0-F3F2B6ACF13E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:hospitality_guest_access:4.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1A3DC116-2844-47A1-BEC2-D0675DD97148\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:hospitality_guest_access:4.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0F1DF3E-0F2D-4EFC-9A3E-F72149C8AE94\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"82EA4BA7-C38B-4AF3-8914-9E3D089EBDD4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B9C9BC66-FA5F-4774-9BDA-7AB88E2839C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F69B9A5-F21B-4904-9F27-95C0F7A628E3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:retail_xstore_point_of_service:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F87FC90-16D0-4051-8280-B0DD4441F10B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A0ED83E3-E6BF-4EAA-AF8F-33485A88A218\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:secure_global_desktop:5.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B5265C91-FF5C-4451-A7C2-D388A65ACFA2\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7B7A6697-98CC-4E36-93DB-B7160F8399F9\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html\",\"source\":\"security@apache.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html\",\"source\":\"security@apache.org\"},{\"url\":\"http://www.securityfocus.com/bid/105414\",\"source\":\"security@apache.org\",\"tags\":[\"Third 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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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