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Vulnerability Details : CVE-2018-11763

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.
Publish Date : 2018-09-25 Last Update Date : 2021-06-06
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2018-11763

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server * * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
3 Application Netapp Storage Automation Store - * * * Version Details Vulnerabilities
4 Application Oracle Enterprise Manager Ops Center 12.3.3 * * * Version Details Vulnerabilities
5 Application Oracle Hospitality Guest Access 4.2.0 * * * Version Details Vulnerabilities
6 Application Oracle Hospitality Guest Access 4.2.1 * * * Version Details Vulnerabilities
7 Application Oracle Instantis Enterprisetrack 17.1 * * * Version Details Vulnerabilities
8 Application Oracle Instantis Enterprisetrack 17.2 * * * Version Details Vulnerabilities
9 Application Oracle Instantis Enterprisetrack 17.3 * * * Version Details Vulnerabilities
10 Application Oracle Retail Xstore Point Of Service 7.0 * * * Version Details Vulnerabilities
11 Application Oracle Retail Xstore Point Of Service 7.1 * * * Version Details Vulnerabilities
12 Application Oracle Secure Global Desktop 5.4 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux 6.0 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux 7.4 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux 7.5 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux 7.6 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 1
Canonical Ubuntu Linux 1
Netapp Storage Automation Store 1
Oracle Enterprise Manager Ops Center 1
Oracle Hospitality Guest Access 2
Oracle Instantis Enterprisetrack 3
Oracle Retail Xstore Point Of Service 2
Oracle Secure Global Desktop 1
Redhat Enterprise Linux 5

- References For CVE-2018-11763

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073149 [11/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1888194 [11/13] - /httpd/site/trunk/content/security/json/
https://security.netapp.com/advisory/ntap-20190204-0004/ CONFIRM
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073139 [11/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073143 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/
https://www.tenable.com/security/tns-2019-09 CONFIRM
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
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
https://access.redhat.com/errata/RHSA-2019:0367
REDHAT RHSA-2019:0367
https://access.redhat.com/errata/RHSA-2019:0366
REDHAT RHSA-2019:0366
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html
SUSE openSUSE-SU-2019:1814
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html
SUSE openSUSE-SU-2019:1547
https://access.redhat.com/errata/RHSA-2018:3558
REDHAT RHSA-2018:3558
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html CONFIRM
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us CONFIRM
https://usn.ubuntu.com/3783-1/
UBUNTU USN-3783-1
https://httpd.apache.org/security/vulnerabilities_24.html CONFIRM
http://www.securityfocus.com/bid/105414
BID 105414 Apache HTTP Server CVE-2018-11763 Denial of Service Vulnerability Release Date:2019-04-17
http://www.securitytracker.com/id/1041713
SECTRACK 1041713

- Metasploit Modules Related To CVE-2018-11763

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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