Upstream information

CVE-2018-20843 at MITRE

Description

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.8
Vector AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 5.3
Vector CVSS:3.0/AV:N/AC:L/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:L
Access Vector Network Network
Access Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High Low
CVSSv3 Version 3 3
SUSE Bugzilla entry: 1139937 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Container caasp/v4.5/389-ds:1.4.3
Container caasp/v4.5/cilium:1.7.6
Container caasp/v4.5/curl:7.66.0
Container caasp/v4.5/etcd:3.4.3
Container caasp/v4.5/grafana:7.0.3
Container caasp/v4.5/istio-base:beta
Container caasp/v4.5/istio-pilot:beta
Container caasp/v4.5/istio-proxyv2:beta
Container caasp/v4.5/k8s-sidecar:0.1.75
Container caasp/v4.5/kube-controller-manager:v1.18.6
Container caasp/v4.5/kube-proxy:v1.18.6
Container caasp/v4.5/prometheus-alertmanager:0.16.2
Container caasp/v4.5/prometheus-node-exporter:0.18.1
Container caasp/v4.5/prometheus-pushgateway:0.6.0
Container caasp/v4.5/prometheus-server:2.18.0
Container caasp/v4.5/rsyslog:8.39.0
Container caasp/v4.5/skuba-tooling:0.1.0
Container caasp/v4/389-ds:1.4.0
Container caasp/v4/cilium:1.6.6
Container caasp/v4/curl:7.60.0
Container caasp/v4/etcd:3.4.3
Container caasp/v4/grafana:6.2.5
Container caasp/v4/hyperkube:v1.17.4
Container caasp/v4/k8s-sidecar:0.1.75
Container caasp/v4/prometheus-alertmanager:0.16.2
Container caasp/v4/prometheus-node-exporter:0.17.0
Container caasp/v4/prometheus-pushgateway:0.6.0
Container caasp/v4/prometheus-server:2.7.1
Container caasp/v4/rsyslog:8.39.0
Container caasp/v4/skuba-tooling:0.1.0
Container ingress-nginx-controller:0.15.0
Image SLES15-EC2-CHOST-HVM-BYOS
Image SLES15-SP1-CHOST-BYOS-Ali
Image SLES15-SP1-CHOST-BYOS-Azure
Image SLES15-SP1-CHOST-BYOS-EC2
Image SLES15-SP1-CHOST-BYOS-GCE
Image SLES15-SP1-CHOST-BYOS-OpenStack
Image SLES15-SP2-CHOST-BYOS-Ali
Image SLES15-SP2-CHOST-BYOS-Azure
Image SLES15-SP2-CHOST-BYOS-EC2
Image SLES15-SP2-CHOST-BYOS-GCE
Image SLES15-SP2-CHOST-BYOS-OpenStack
Image caasp4/caasp-389-ds-image
Image caasp4/caasp-cilium-image
Image caasp4/caasp-curl-image
Image caasp4/caasp-etcd-image
Image caasp4/caasp-grafana-image
Image caasp4/caasp-hyperkube-image
Image caasp4/caasp-k8s-sidecar-image
Image caasp4/caasp-prometheus-alertmanager-image
Image caasp4/caasp-prometheus-node-exporter-image
Image caasp4/caasp-prometheus-pushgateway-image
Image caasp4/caasp-prometheus-server-image
Image caasp4/caasp-rsyslog-image
Image caasp45/caasp-389-ds-image
Image caasp45/caasp-cilium-image
Image caasp45/caasp-curl-image
Image caasp45/caasp-etcd-image
Image caasp45/caasp-grafana-image
Image caasp45/caasp-ingress-nginx-controller-image
Image caasp45/caasp-istio-base-image
Image caasp45/caasp-istio-pilot-image
Image caasp45/caasp-istio-proxyv2-image
Image caasp45/caasp-k8s-sidecar-image
Image caasp45/caasp-kube-controller-manager-image
Image caasp45/caasp-kube-proxy-image
Image caasp45/caasp-prometheus-alertmanager-image
Image caasp45/caasp-prometheus-node-exporter-image
Image caasp45/caasp-prometheus-pushgateway-image
Image caasp45/caasp-prometheus-server-image
Image caasp45/caasp-rsyslog-image
Image caasp45/caasp-skuba-tooling-image
  • libexpat1 >= 2.2.5-3.3.1
Container sles12/caasp-dex:2.7.1
  • expat >= 2.1.0-21.6.1
  • libexpat1 >= 2.1.0-21.6.1
Container suse/sles12sp4:latest
Container suse/sles12sp5:latest
  • libexpat1 >= 2.1.0-21.6.1
SUSE CaaS Platform 3.0
  • expat >= 2.1.0-21.6.1
  • libexpat1 >= 2.1.0-21.6.1
Patchnames:
SUSE-CAASP-3.0-2019-1834
SUSE Linux Enterprise Desktop 12 SP4
  • expat >= 2.1.0-21.6.1
  • libexpat1 >= 2.1.0-21.6.1
  • libexpat1-32bit >= 2.1.0-21.6.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP4-2019-1834
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Server 12 SP5
  • expat >= 2.1.0-21.9.1
  • libexpat1 >= 2.1.0-21.9.1
  • libexpat1-32bit >= 2.1.0-21.9.1
SUSE Linux Enterprise Module for Basesystem 15 SP1
  • expat >= 2.2.5-3.3.1
  • libexpat-devel >= 2.2.5-3.3.1
  • libexpat1 >= 2.2.5-3.3.1
  • libexpat1-32bit >= 2.2.5-3.3.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-SP1-2019-1835
SUSE Linux Enterprise Module for Basesystem 15
  • expat >= 2.2.5-3.3.1
  • libexpat-devel >= 2.2.5-3.3.1
  • libexpat1 >= 2.2.5-3.3.1
  • libexpat1-32bit >= 2.2.5-3.3.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-2019-1835
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP1
  • expat >= 2.2.5-3.3.1
  • libexpat-devel-32bit >= 2.2.5-3.3.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-1835
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • expat >= 2.1.0-21.6.1
  • libexpat1 >= 2.1.0-21.6.1
  • libexpat1-32bit >= 2.1.0-21.6.1
Patchnames:
SUSE-SLE-SERVER-12-SP4-2019-1834
SUSE Linux Enterprise Software Development Kit 12 SP4
  • expat >= 2.1.0-21.6.1
  • libexpat-devel >= 2.1.0-21.6.1
Patchnames:
SUSE-SLE-SDK-12-SP4-2019-1834
SUSE Linux Enterprise Software Development Kit 12 SP5
  • libexpat-devel >= 2.1.0-21.9.1
openSUSE Leap 15.0
  • expat >= 2.2.5-lp150.2.3.1
  • expat-32bit-debuginfo >= 2.2.5-lp150.2.3.1
  • expat-debuginfo >= 2.2.5-lp150.2.3.1
  • expat-debugsource >= 2.2.5-lp150.2.3.1
  • libexpat-devel >= 2.2.5-lp150.2.3.1
  • libexpat-devel-32bit >= 2.2.5-lp150.2.3.1
  • libexpat1 >= 2.2.5-lp150.2.3.1
  • libexpat1-32bit >= 2.2.5-lp150.2.3.1
  • libexpat1-32bit-debuginfo >= 2.2.5-lp150.2.3.1
  • libexpat1-debuginfo >= 2.2.5-lp150.2.3.1
Patchnames:
openSUSE-2019-1777
openSUSE Leap 15.1
  • expat >= 2.2.5-lp151.3.3.1
  • expat-32bit-debuginfo >= 2.2.5-lp151.3.3.1
  • expat-debuginfo >= 2.2.5-lp151.3.3.1
  • expat-debugsource >= 2.2.5-lp151.3.3.1
  • libexpat-devel >= 2.2.5-lp151.3.3.1
  • libexpat-devel-32bit >= 2.2.5-lp151.3.3.1
  • libexpat1 >= 2.2.5-lp151.3.3.1
  • libexpat1-32bit >= 2.2.5-lp151.3.3.1
  • libexpat1-32bit-debuginfo >= 2.2.5-lp151.3.3.1
  • libexpat1-debuginfo >= 2.2.5-lp151.3.3.1
Patchnames:
openSUSE-2019-1777


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.

Product(s) Source package State
Magnum Orchestration expat In progress
SLES for SAP Applications expat Affected
SUSE CaaS Platform 3.0 expat Released
SUSE Container as a Service Platform 1.0 expat Affected
SUSE Container as a Service Platform 2.0 expat Affected
SUSE Linux Enterprise 15 Module for Basesystem expat Released
SUSE Linux Enterprise 15-SP1 Module for Basesystem expat Released
SUSE Linux Enterprise 15-SP2 Module for Basesystem expat Released
SUSE Linux Enterprise Desktop 12 SP3 expat In progress
SUSE Linux Enterprise Desktop 12 SP4 expat Released
SUSE Linux Enterprise High Performance Computing 12 SP4 expat Released
SUSE Linux Enterprise Server 11 SP1 expat Released
SUSE Linux Enterprise Server 11 SP3 expat Released
SUSE Linux Enterprise Server 11 SP3 LTSS expat Affected
SUSE Linux Enterprise Server 11 SP4 LTSS expat Affected
SUSE Linux Enterprise Server 12 LTSS expat Affected
SUSE Linux Enterprise Server 12 SP1 LTSS expat Affected
SUSE Linux Enterprise Server 12 SP2 LTSS expat Affected
SUSE Linux Enterprise Server 12 SP3 expat In progress
SUSE Linux Enterprise Server 12 SP4 expat Released
SUSE Linux Enterprise Server for SAP Applications 12 expat Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 expat Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 expat Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 expat Released
SUSE Linux Enterprise Software Development Kit 12 SP3 expat In progress
SUSE Linux Enterprise Software Development Kit 12 SP4 expat Released