Upstream information

CVE-2017-18258 at MITRE

Description

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having low 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
  SUSE
Base Score 3.3
Vector AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Access Vector Local
Access Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
SUSE Bugzilla entries: 1088279 [NEW], 1088601 [RESOLVED / FIXED], 1105166 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Openstack Cloud Magnum Orchestration 7
  • libxml2 >= 2.9.4-46.15.1
  • libxml2-2 >= 2.9.4-46.15.1
Patchnames:
SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-2181
SUSE CaaS Platform 3.0
  • libxml2 >= 2.9.4-46.15.1
  • libxml2-2 >= 2.9.4-46.15.1
  • libxml2-tools >= 2.9.4-46.15.1
Patchnames:
SUSE-CAASP-3.0-2018-2181
SUSE CaaS Platform ALL
  • libxml2 >= 2.9.4-46.15.1
  • libxml2-2 >= 2.9.4-46.15.1
  • libxml2-tools >= 2.9.4-46.15.1
Patchnames:
SUSE-CAASP-ALL-2018-2181
SUSE Linux Enterprise Desktop 12 SP3
  • libxml2 >= 2.9.4-46.15.1
  • libxml2-2 >= 2.9.4-46.15.1
  • libxml2-2-32bit >= 2.9.4-46.15.1
  • libxml2-tools >= 2.9.4-46.15.1
  • python-libxml2 >= 2.9.4-46.15.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP3-2018-2181
SUSE Linux Enterprise Server 12 SP3
  • libxml2 >= 2.9.4-46.15.1
  • libxml2-2 >= 2.9.4-46.15.1
  • libxml2-2-32bit >= 2.9.4-46.15.1
  • libxml2-doc >= 2.9.4-46.15.1
  • libxml2-tools >= 2.9.4-46.15.1
  • python-libxml2 >= 2.9.4-46.15.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-2181
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • libxml2 >= 2.9.4-46.15.1
  • libxml2-2 >= 2.9.4-46.15.1
  • libxml2-2-32bit >= 2.9.4-46.15.1
  • libxml2-doc >= 2.9.4-46.15.1
  • libxml2-tools >= 2.9.4-46.15.1
  • python-libxml2 >= 2.9.4-46.15.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-2181
SUSE Linux Enterprise Software Development Kit 12 SP3
  • libxml2 >= 2.9.4-46.15.1
  • libxml2-devel >= 2.9.4-46.15.1
Patchnames:
SUSE-SLE-SDK-12-SP3-2018-2181
openSUSE Leap 42.3
  • libxml2 >= 2.9.4-18.1
  • libxml2-2 >= 2.9.4-18.1
  • libxml2-2-32bit >= 2.9.4-18.1
  • libxml2-2-debuginfo >= 2.9.4-18.1
  • libxml2-2-debuginfo-32bit >= 2.9.4-18.1
  • libxml2-debugsource >= 2.9.4-18.1
  • libxml2-devel >= 2.9.4-18.1
  • libxml2-devel-32bit >= 2.9.4-18.1
  • libxml2-doc >= 2.9.4-18.1
  • libxml2-tools >= 2.9.4-18.1
  • libxml2-tools-debuginfo >= 2.9.4-18.1
  • python-libxml2 >= 2.9.4-18.1
  • python-libxml2-debuginfo >= 2.9.4-18.1
  • python-libxml2-debugsource >= 2.9.4-18.1
Patchnames:
openSUSE-2018-1149


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
CaaS Platform 1.0 libxml2 Released
CaaS Platform 2.0 libxml2 Released
CaaS Platform 3.0 libxml2 Released
OpenStack Cloud Magnum Orchestration 7.0 libxml2 Released
SUSE Linux Enterprise Desktop 12 SP2 libxml2 Unsupported
SUSE Linux Enterprise Desktop 12 SP3 libxml2 Released
SUSE Linux Enterprise SDK 11 SP4 libxml2 Not affected
SUSE Linux Enterprise SDK 12 SP2 libxml2 Unsupported
SUSE Linux Enterprise SDK 12 SP3 libxml2 Released
SUSE Linux Enterprise Server 11 SP3 LTSS libxml2 Not affected
SUSE Linux Enterprise Server 11 SP4 libxml2 Not affected
SUSE Linux Enterprise Server 12 SP2 libxml2 Unsupported
SUSE Linux Enterprise Server 12 SP3 libxml2 Released