1. CVE-Search
  2. CVE-2018-11763
ID CVE-2018-11763
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
Vulnerable Configurations
  • cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.21:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.21:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.22:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.22:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.24:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.24:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.25:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.25:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.26:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.26:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.27:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.27:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.28:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.28:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.29:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.29:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.30:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.30:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.32:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.32:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.33:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.33:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.34:*:*:*:*:*:*:*
    cpe:2.3:a:apache:http_server:2.4.34:*:*:*:*:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
    cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:hospitality_guest_access:4.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:hospitality_guest_access:4.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:hospitality_guest_access:4.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:hospitality_guest_access:4.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:retail_xstore_point_of_service:7.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:retail_xstore_point_of_service:7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:secure_global_desktop:5.4:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:secure_global_desktop:5.4:*:*:*:*:*:*:*
  • cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*
    cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*
CVSS
Base: 4.3 (as of 06-06-2021 - 11:15)
Impact:
Exploitability:
CWE NVD-CWE-noinfo
CAPEC
Access
VectorComplexityAuthentication
NETWORK MEDIUM NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:M/Au:N/C:N/I:N/A:P
redhat via4
advisories
  • rhsa
    id RHSA-2018:3558
  • rhsa
    id RHSA-2019:0366
  • rhsa
    id RHSA-2019:0367
rpms
  • httpd24-curl-0:7.61.1-1.el6
  • httpd24-curl-0:7.61.1-1.el7
  • httpd24-curl-debuginfo-0:7.61.1-1.el6
  • httpd24-curl-debuginfo-0:7.61.1-1.el7
  • httpd24-httpd-0:2.4.34-7.el6
  • httpd24-httpd-0:2.4.34-7.el7
  • httpd24-httpd-debuginfo-0:2.4.34-7.el6
  • httpd24-httpd-debuginfo-0:2.4.34-7.el7
  • httpd24-httpd-devel-0:2.4.34-7.el6
  • httpd24-httpd-devel-0:2.4.34-7.el7
  • httpd24-httpd-manual-0:2.4.34-7.el6
  • httpd24-httpd-manual-0:2.4.34-7.el7
  • httpd24-httpd-tools-0:2.4.34-7.el6
  • httpd24-httpd-tools-0:2.4.34-7.el7
  • httpd24-libcurl-0:7.61.1-1.el6
  • httpd24-libcurl-0:7.61.1-1.el7
  • httpd24-libcurl-devel-0:7.61.1-1.el6
  • httpd24-libcurl-devel-0:7.61.1-1.el7
  • httpd24-libnghttp2-0:1.7.1-7.el6
  • httpd24-libnghttp2-0:1.7.1-7.el7
  • httpd24-libnghttp2-devel-0:1.7.1-7.el6
  • httpd24-libnghttp2-devel-0:1.7.1-7.el7
  • httpd24-mod_ldap-0:2.4.34-7.el6
  • httpd24-mod_ldap-0:2.4.34-7.el7
  • httpd24-mod_md-0:2.4.34-7.el7
  • httpd24-mod_proxy_html-1:2.4.34-7.el6
  • httpd24-mod_proxy_html-1:2.4.34-7.el7
  • httpd24-mod_session-0:2.4.34-7.el6
  • httpd24-mod_session-0:2.4.34-7.el7
  • httpd24-mod_ssl-1:2.4.34-7.el6
  • httpd24-mod_ssl-1:2.4.34-7.el7
  • httpd24-nghttp2-0:1.7.1-7.el6
  • httpd24-nghttp2-0:1.7.1-7.el7
  • httpd24-nghttp2-debuginfo-0:1.7.1-7.el6
  • httpd24-nghttp2-debuginfo-0:1.7.1-7.el7
  • jbcs-httpd24-0:1-6.jbcs.el6
  • jbcs-httpd24-0:1-6.jbcs.el7
  • jbcs-httpd24-apache-commons-daemon-jsvc-1:1.1.0-3.redhat_2.jbcs.el6
  • jbcs-httpd24-apache-commons-daemon-jsvc-1:1.1.0-3.redhat_2.jbcs.el7
  • jbcs-httpd24-apache-commons-daemon-jsvc-debuginfo-1:1.1.0-3.redhat_2.jbcs.el6
  • jbcs-httpd24-apache-commons-daemon-jsvc-debuginfo-1:1.1.0-3.redhat_2.jbcs.el7
  • jbcs-httpd24-apr-0:1.6.3-31.jbcs.el6
  • jbcs-httpd24-apr-0:1.6.3-31.jbcs.el7
  • jbcs-httpd24-apr-debuginfo-0:1.6.3-31.jbcs.el6
  • jbcs-httpd24-apr-debuginfo-0:1.6.3-31.jbcs.el7
  • jbcs-httpd24-apr-devel-0:1.6.3-31.jbcs.el6
  • jbcs-httpd24-apr-devel-0:1.6.3-31.jbcs.el7
  • jbcs-httpd24-apr-util-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-debuginfo-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-debuginfo-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-devel-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-devel-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-ldap-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-ldap-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-mysql-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-mysql-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-nss-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-nss-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-odbc-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-odbc-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-openssl-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-openssl-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-pgsql-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-pgsql-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-apr-util-sqlite-0:1.6.1-24.jbcs.el6
  • jbcs-httpd24-apr-util-sqlite-0:1.6.1-24.jbcs.el7
  • jbcs-httpd24-httpd-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-httpd-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-httpd-debuginfo-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-httpd-debuginfo-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-httpd-devel-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-httpd-devel-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-httpd-manual-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-httpd-manual-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-httpd-selinux-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-httpd-selinux-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-httpd-tools-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-httpd-tools-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-mod_cluster-native-0:1.3.8-3.Final_redhat_2.jbcs.el6
  • jbcs-httpd24-mod_cluster-native-0:1.3.8-3.Final_redhat_2.jbcs.el7
  • jbcs-httpd24-mod_cluster-native-debuginfo-0:1.3.8-3.Final_redhat_2.jbcs.el6
  • jbcs-httpd24-mod_cluster-native-debuginfo-0:1.3.8-3.Final_redhat_2.jbcs.el7
  • jbcs-httpd24-mod_jk-ap24-0:1.2.46-1.redhat_1.jbcs.el6
  • jbcs-httpd24-mod_jk-ap24-0:1.2.46-1.redhat_1.jbcs.el7
  • jbcs-httpd24-mod_jk-debuginfo-0:1.2.46-1.redhat_1.jbcs.el6
  • jbcs-httpd24-mod_jk-debuginfo-0:1.2.46-1.redhat_1.jbcs.el7
  • jbcs-httpd24-mod_jk-manual-0:1.2.46-1.redhat_1.jbcs.el6
  • jbcs-httpd24-mod_jk-manual-0:1.2.46-1.redhat_1.jbcs.el7
  • jbcs-httpd24-mod_ldap-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-mod_ldap-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-mod_proxy_html-1:2.4.29-35.jbcs.el6
  • jbcs-httpd24-mod_proxy_html-1:2.4.29-35.jbcs.el7
  • jbcs-httpd24-mod_session-0:2.4.29-35.jbcs.el6
  • jbcs-httpd24-mod_session-0:2.4.29-35.jbcs.el7
  • jbcs-httpd24-mod_ssl-1:2.4.29-35.jbcs.el6
  • jbcs-httpd24-mod_ssl-1:2.4.29-35.jbcs.el7
  • jbcs-httpd24-nghttp2-0:1.29.0-9.jbcs.el6
  • jbcs-httpd24-nghttp2-0:1.29.0-9.jbcs.el7
  • jbcs-httpd24-nghttp2-debuginfo-0:1.29.0-9.jbcs.el6
  • jbcs-httpd24-nghttp2-debuginfo-0:1.29.0-9.jbcs.el7
  • jbcs-httpd24-nghttp2-devel-0:1.29.0-9.jbcs.el6
  • jbcs-httpd24-nghttp2-devel-0:1.29.0-9.jbcs.el7
  • jbcs-httpd24-openssl-1:1.0.2n-14.jbcs.el6
  • jbcs-httpd24-openssl-1:1.0.2n-14.jbcs.el7
  • jbcs-httpd24-openssl-debuginfo-1:1.0.2n-14.jbcs.el6
  • jbcs-httpd24-openssl-debuginfo-1:1.0.2n-14.jbcs.el7
  • jbcs-httpd24-openssl-devel-1:1.0.2n-14.jbcs.el6
  • jbcs-httpd24-openssl-devel-1:1.0.2n-14.jbcs.el7
  • jbcs-httpd24-openssl-libs-1:1.0.2n-14.jbcs.el6
  • jbcs-httpd24-openssl-libs-1:1.0.2n-14.jbcs.el7
  • jbcs-httpd24-openssl-perl-1:1.0.2n-14.jbcs.el6
  • jbcs-httpd24-openssl-perl-1:1.0.2n-14.jbcs.el7
  • jbcs-httpd24-openssl-static-1:1.0.2n-14.jbcs.el6
  • jbcs-httpd24-openssl-static-1:1.0.2n-14.jbcs.el7
  • jbcs-httpd24-runtime-0:1-6.jbcs.el6
  • jbcs-httpd24-runtime-0:1-6.jbcs.el7
refmap via4
bid 105414
confirm
misc https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
mlist
  • [httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
  • [httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
  • [httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
  • [httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
sectrack 1041713
suse
  • openSUSE-SU-2019:1547
  • openSUSE-SU-2019:1814
ubuntu USN-3783-1
Last major update 06-06-2021 - 11:15
Published 25-09-2018 - 21:29
Last modified 06-06-2021 - 11:15
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