Upstream information

CVE-2018-11763 at MITRE

Description

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.

Upstream Security Advisories:

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.9 7.5
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity High Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3 3
SUSE Bugzilla entries: 1109961 [RESOLVED / FIXED], 1122212 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Image SLES15-SP1-Manager-4-0-Azure-BYOS-Proxy
Image SLES15-SP1-Manager-4-0-Azure-BYOS-Server
Image SLES15-SP1-Manager-4-0-EC2-HVM-BYOS-Proxy
Image SLES15-SP1-Manager-4-0-EC2-HVM-BYOS-Server
Image SLES15-SP1-Manager-4-0-GCE-BYOS-Proxy
Image SLES15-SP1-Manager-4-0-GCE-BYOS-Server
Image SLES15-SP1-SAPCAL-Azure
Image SLES15-SP1-SAPCAL-EC2-HVM
Image SLES15-SP1-SAPCAL-GCE
  • apache2 >= 2.4.33-3.6.1
  • apache2-prefork >= 2.4.33-3.6.1
  • apache2-utils >= 2.4.33-3.6.1
SUSE Enterprise Storage 4
  • apache2 >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-Storage-4-2018-2541
SUSE Enterprise Storage 6
SUSE Linux Enterprise High Performance Computing 15 SP1
SUSE Linux Enterprise Module for Server Applications 15 SP1
SUSE Linux Enterprise Server 15 SP1
SUSE Linux Enterprise Server for SAP Applications 15 SP1
SUSE Manager Proxy 4.0
SUSE Manager Retail Branch Server 4.0
SUSE Manager Server 4.0
  • apache2 >= 2.4.33-3.6.1
  • apache2-devel >= 2.4.33-3.6.1
  • apache2-doc >= 2.4.33-3.6.1
  • apache2-prefork >= 2.4.33-3.6.1
  • apache2-utils >= 2.4.33-3.6.1
  • apache2-worker >= 2.4.33-3.6.1
 Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 SP1 GA apache2-2.4.33-3.15.1
SUSE Linux Enterprise Desktop 12 SP3
SUSE Linux Enterprise Software Development Kit 12 SP3
  • apache2-devel >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SDK-12-SP3-2018-2541
SUSE Linux Enterprise Desktop 12 SP4
SUSE Linux Enterprise Software Development Kit 12 SP4
  • apache2-devel >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SDK-12-SP4-2018-2541
SUSE Linux Enterprise High Performance Computing 12 SP5
  • apache2 >= 2.4.23-29.43.1
  • apache2-doc >= 2.4.23-29.43.1
  • apache2-example-pages >= 2.4.23-29.43.1
  • apache2-prefork >= 2.4.23-29.43.1
  • apache2-utils >= 2.4.23-29.43.1
  • apache2-worker >= 2.4.23-29.43.1
 Patchnames:
SUSE Linux Enterprise High Performance Computing 12 SP5 GA apache2-2.4.23-29.43.1
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Module for Server Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
  • apache2 >= 2.4.33-3.6.1
  • apache2-devel >= 2.4.33-3.6.1
  • apache2-doc >= 2.4.33-3.6.1
  • apache2-prefork >= 2.4.33-3.6.1
  • apache2-utils >= 2.4.33-3.6.1
  • apache2-worker >= 2.4.33-3.6.1
 Patchnames:
SUSE-SLE-Module-Server-Applications-15-2018-2201
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT
  • apache2 >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-POS-12-SP2-CLIENT-2018-2541
SUSE Linux Enterprise Server 12 SP2-BCL
  • apache2 >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SERVER-12-SP2-BCL-2018-2541
SUSE Linux Enterprise Server 12 SP2-ESPOS
  • apache2 >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SERVER-12-SP2-ESPOS-2018-2541
SUSE Linux Enterprise Server 12 SP2-LTSS
  • apache2 >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SERVER-12-SP2-2018-2541
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • apache2 >= 2.4.23-29.27.2
  • apache2-devel >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SDK-12-SP3-2018-2541
SUSE-SLE-SERVER-12-SP3-2018-2541
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • apache2 >= 2.4.23-29.27.2
  • apache2-devel >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SDK-12-SP4-2018-2541
SUSE-SLE-SERVER-12-SP4-2018-2541
SUSE Linux Enterprise Server 12 SP5
  • apache2 >= 2.4.23-29.43.1
  • apache2-devel >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.43.1
  • apache2-example-pages >= 2.4.23-29.43.1
  • apache2-prefork >= 2.4.23-29.43.1
  • apache2-utils >= 2.4.23-29.43.1
  • apache2-worker >= 2.4.23-29.43.1
 Patchnames:
SUSE Linux Enterprise Server 12 SP5 GA apache2-2.4.23-29.43.1
SUSE Linux Enterprise Software Development Kit 12 SP5 GA apache2-2.4.23-29.43.1
SUSE Linux Enterprise Software Development Kit 12 SP5 GA apache2-devel-2.4.23-29.43.1
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • apache2 >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-SLE-SAP-12-SP2-2018-2541
SUSE Linux Enterprise Server for SAP Applications 12 SP5
SUSE Linux Enterprise Software Development Kit 12 SP5
  • apache2-devel >= 2.4.23-29.27.2
 Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP5 GA apache2-2.4.23-29.43.1
SUSE Linux Enterprise Software Development Kit 12 SP5 GA apache2-devel-2.4.23-29.43.1
SUSE OpenStack Cloud 7
  • apache2 >= 2.4.23-29.27.2
  • apache2-doc >= 2.4.23-29.27.2
  • apache2-example-pages >= 2.4.23-29.27.2
  • apache2-prefork >= 2.4.23-29.27.2
  • apache2-utils >= 2.4.23-29.27.2
  • apache2-worker >= 2.4.23-29.27.2
 Patchnames:
SUSE-OpenStack-Cloud-7-2018-2541
openSUSE Leap 15.0
  • apache2 >= 2.4.33-lp150.2.6.1
  • apache2-devel >= 2.4.33-lp150.2.6.1
  • apache2-doc >= 2.4.33-lp150.2.6.1
  • apache2-event >= 2.4.33-lp150.2.6.1
  • apache2-example-pages >= 2.4.33-lp150.2.6.1
  • apache2-prefork >= 2.4.33-lp150.2.6.1
  • apache2-utils >= 2.4.33-lp150.2.6.1
  • apache2-worker >= 2.4.33-lp150.2.6.1
  • python3-virtualbox >= 6.0.10-lp150.4.36.1
  • virtualbox >= 6.0.10-lp150.4.36.1
  • virtualbox-devel >= 6.0.10-lp150.4.36.1
  • virtualbox-guest-desktop-icons >= 6.0.10-lp150.4.36.1
  • virtualbox-guest-kmp-default >= 6.0.10_k4.12.14_lp150.12.67-lp150.4.36.1
  • virtualbox-guest-source >= 6.0.10-lp150.4.36.1
  • virtualbox-guest-tools >= 6.0.10-lp150.4.36.1
  • virtualbox-guest-x11 >= 6.0.10-lp150.4.36.1
  • virtualbox-host-kmp-default >= 6.0.10_k4.12.14_lp150.12.67-lp150.4.36.1
  • virtualbox-host-source >= 6.0.10-lp150.4.36.1
  • virtualbox-qt >= 6.0.10-lp150.4.36.1
  • virtualbox-vnc >= 6.0.10-lp150.4.36.1
  • virtualbox-websrv >= 6.0.10-lp150.4.36.1
 Patchnames:
openSUSE-2019-1547
openSUSE-2019-1814
openSUSE-2019-791
openSUSE Leap 15.1
  • python3-virtualbox >= 6.0.10-lp151.2.6.1
  • virtualbox >= 6.0.10-lp151.2.6.1
  • virtualbox-devel >= 6.0.10-lp151.2.6.1
  • virtualbox-guest-desktop-icons >= 6.0.10-lp151.2.6.1
  • virtualbox-guest-kmp-default >= 6.0.10_k4.12.14_lp151.28.10-lp151.2.6.1
  • virtualbox-guest-source >= 6.0.10-lp151.2.6.1
  • virtualbox-guest-tools >= 6.0.10-lp151.2.6.1
  • virtualbox-guest-x11 >= 6.0.10-lp151.2.6.1
  • virtualbox-host-kmp-default >= 6.0.10_k4.12.14_lp151.28.10-lp151.2.6.1
  • virtualbox-host-source >= 6.0.10-lp151.2.6.1
  • virtualbox-qt >= 6.0.10-lp151.2.6.1
  • virtualbox-vnc >= 6.0.10-lp151.2.6.1
  • virtualbox-websrv >= 6.0.10-lp151.2.6.1
 Patchnames:
openSUSE-2019-1814
openSUSE Leap 15.3
  • virtualbox-guest-tools >= 6.1.20-lp153.1.8
  • virtualbox-guest-x11 >= 6.1.20-lp153.1.8
  • virtualbox-kmp-default >= 6.1.20_k5.3.18_57-lp153.1.2
 Patchnames:
openSUSE Leap 15.3 GA virtualbox-guest-tools-6.1.20-lp153.1.8
openSUSE Leap 15.4
  • virtualbox-guest-tools >= 6.1.32-lp154.1.83
  • virtualbox-guest-x11 >= 6.1.32-lp154.1.83
  • virtualbox-kmp-default >= 6.1.32_k5.14.21_150400.22-lp154.1.67
 Patchnames:
openSUSE Leap 15.4 GA virtualbox-guest-tools-6.1.32-lp154.1.83
openSUSE Tumbleweed
  • python3-virtualbox >= 6.1.26-3.2
  • virtualbox >= 6.1.26-3.2
  • virtualbox-devel >= 6.1.26-3.2
  • virtualbox-guest-desktop-icons >= 6.1.26-3.2
  • virtualbox-guest-source >= 6.1.26-3.2
  • virtualbox-guest-tools >= 6.1.26-3.2
  • virtualbox-guest-x11 >= 6.1.26-3.2
  • virtualbox-host-source >= 6.1.26-3.2
  • virtualbox-qt >= 6.1.26-3.2
  • virtualbox-vnc >= 6.1.26-3.2
  • virtualbox-websrv >= 6.1.26-3.2
 Patchnames:
openSUSE-Tumbleweed-2024-11501

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise High Performance Computing 12 SP5 apache2 Released
SUSE Linux Enterprise Server 12 SP5 apache2 Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 apache2 Released
SUSE Linux Enterprise Software Development Kit 12 SP5 apache2 Released
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Server 15-ESPOS apache2 Unsupported
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 apache2 Unsupported
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 apache2 Released
SLES for SAP Applications 11 SP3 apache2 Not affected
SUSE CaaS Platform 4.0 apache2 Affected
SUSE Enterprise Storage 4 apache2 Released
SUSE Enterprise Storage 5 apache2 Released
SUSE Enterprise Storage 6 apache2 Released
SUSE Linux Enterprise Desktop 11 SP2 apache2 Not affected
SUSE Linux Enterprise Desktop 11 SP3 apache2 Not affected
SUSE Linux Enterprise Desktop 11 SP4 apache2 Not affected
SUSE Linux Enterprise Desktop 12 apache2 Not affected
SUSE Linux Enterprise Desktop 12 SP2 apache2 Affected
SUSE Linux Enterprise Desktop 12 SP3 apache2 Released
SUSE Linux Enterprise Desktop 12 SP4 apache2 Released
SUSE Linux Enterprise High Performance Computing 12 SP4 apache2 Released
SUSE Linux Enterprise High Performance Computing 15 apache2 Released
SUSE Linux Enterprise High Performance Computing 15 SP1 apache2 Released
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS apache2 Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS apache2 Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS apache2 Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS apache2 Unsupported
SUSE Linux Enterprise Module for Server Applications 15 apache2 Released
SUSE Linux Enterprise Module for Server Applications 15 SP1 apache2 Released
SUSE Linux Enterprise Point of Sale 11 SP3 apache2 Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT apache2 Released
SUSE Linux Enterprise Point of Service Image Server 12 SP2 apache2 Released
SUSE Linux Enterprise Server 11 SP1-LTSS apache2 Not affected
SUSE Linux Enterprise Server 11 SP2 apache2 Not affected
SUSE Linux Enterprise Server 11 SP2-LTSS apache2 Not affected
SUSE Linux Enterprise Server 11 SP3 apache2 Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS apache2 Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS apache2 Not affected
SUSE Linux Enterprise Server 11 SP4 apache2 Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS apache2 Not affected
SUSE Linux Enterprise Server 12 apache2 Not affected
SUSE Linux Enterprise Server 12 SP2 apache2 Affected
SUSE Linux Enterprise Server 12 SP2-BCL apache2 Released
SUSE Linux Enterprise Server 12 SP2-ESPOS apache2 Released
SUSE Linux Enterprise Server 12 SP2-LTSS apache2 Released
SUSE Linux Enterprise Server 12 SP3 apache2 Released
SUSE Linux Enterprise Server 12 SP3-BCL apache2 Released
SUSE Linux Enterprise Server 12 SP3-ESPOS apache2 Released
SUSE Linux Enterprise Server 12 SP3-LTSS apache2 Released
SUSE Linux Enterprise Server 12 SP4 apache2 Released
SUSE Linux Enterprise Server 12 SP4-ESPOS apache2 Released
SUSE Linux Enterprise Server 12 SP4-LTSS apache2 Released
SUSE Linux Enterprise Server 12-LTSS apache2 Not affected
SUSE Linux Enterprise Server 15 apache2 Released
SUSE Linux Enterprise Server 15 SP1 apache2 Released
SUSE Linux Enterprise Server 15 SP1-BCL apache2 Affected
SUSE Linux Enterprise Server 15 SP1-LTSS apache2 Affected
SUSE Linux Enterprise Server 15-LTSS apache2 Unsupported
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 apache2 Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP2 apache2 Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 apache2 Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 apache2 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 apache2 Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 apache2 Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 apache2 Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 apache2 Released
SUSE Linux Enterprise Server for SAP Applications 15 apache2 Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 apache2 Released
SUSE Linux Enterprise Software Development Kit 11 SP2 apache2 Not affected
SUSE Linux Enterprise Software Development Kit 11 SP3 apache2 Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4 apache2 Not affected
SUSE Linux Enterprise Software Development Kit 12 apache2 Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 apache2 Affected
SUSE Linux Enterprise Software Development Kit 12 SP3 apache2 Released
SUSE Linux Enterprise Software Development Kit 12 SP4 apache2 Released
SUSE Manager Proxy 4.0 apache2 Released
SUSE Manager Retail Branch Server 4.0 apache2 Released
SUSE Manager Server 4.0 apache2 Released
SUSE OpenStack Cloud 7 apache2 Released
SUSE OpenStack Cloud 8 apache2 Released
SUSE OpenStack Cloud 9 apache2 Released
SUSE OpenStack Cloud Crowbar 8 apache2 Released
SUSE OpenStack Cloud Crowbar 9 apache2 Released
SUSE Studio Onsite 1.3 apache2 Not affected

SUSE Timeline for this CVE

CVE page created: Wed Sep 26 01:36:29 2018
CVE page last modified: Tue Sep 3 19:05:56 2024