Upstream information

CVE-2020-1751 at MITRE

Description

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.

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 5.9
Vector AV:L/AC:M/Au:N/C:P/I:P/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 7
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector Local
Access Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1167630 [RESOLVED / DUPLICATE]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Container suse/sles12sp4:latest
Container suse/sles12sp5:latest
  • glibc >= 2.22-100.21.5
SUSE Linux Enterprise Module for Basesystem 15 SP2
  • glibc >= 2.26-13.48.1
  • glibc-32bit >= 2.26-13.48.1
  • glibc-devel >= 2.26-13.48.1
  • glibc-extra >= 2.26-13.48.1
  • glibc-i18ndata >= 2.26-13.48.1
  • glibc-info >= 2.26-13.48.1
  • glibc-locale >= 2.26-13.48.1
  • glibc-locale-base >= 2.26-13.48.1
  • glibc-locale-base-32bit >= 2.26-13.48.1
  • glibc-profile >= 2.26-13.48.1
  • nscd >= 2.26-13.48.1
SUSE Linux Enterprise Module for Development Tools 15 SP2
  • glibc-devel-32bit >= 2.26-13.51.1
  • glibc-devel-static >= 2.26-13.51.1
  • glibc-utils >= 2.26-13.51.1
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • glibc >= 2.22-100.21.5
  • glibc-32bit >= 2.22-100.21.5
  • glibc-devel >= 2.22-100.21.5
  • glibc-devel-32bit >= 2.22-100.21.5
  • glibc-html >= 2.22-100.21.5
  • glibc-i18ndata >= 2.22-100.21.5
  • glibc-info >= 2.22-100.21.5
  • glibc-locale >= 2.22-100.21.5
  • glibc-locale-32bit >= 2.22-100.21.5
  • glibc-profile >= 2.22-100.21.5
  • glibc-profile-32bit >= 2.22-100.21.5
  • nscd >= 2.22-100.21.5
Patchnames:
SUSE-SLE-SERVER-12-SP4-2020-832
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • glibc >= 2.22-100.21.5
  • glibc-32bit >= 2.22-100.21.5
  • glibc-devel >= 2.22-100.21.5
  • glibc-devel-32bit >= 2.22-100.21.5
  • glibc-html >= 2.22-100.21.5
  • glibc-i18ndata >= 2.22-100.21.5
  • glibc-info >= 2.22-100.21.5
  • glibc-locale >= 2.22-100.21.5
  • glibc-locale-32bit >= 2.22-100.21.5
  • glibc-profile >= 2.22-100.21.5
  • glibc-profile-32bit >= 2.22-100.21.5
  • nscd >= 2.22-100.21.5
Patchnames:
SUSE-SLE-SERVER-12-SP5-2020-832
SUSE Linux Enterprise Software Development Kit 12 SP4
  • glibc >= 2.22-100.21.5
  • glibc-devel-static >= 2.22-100.21.5
  • glibc-info >= 2.22-100.21.5
Patchnames:
SUSE-SLE-SDK-12-SP4-2020-832
SUSE Linux Enterprise Software Development Kit 12 SP5
  • glibc >= 2.22-100.21.5
  • glibc-devel-static >= 2.22-100.21.5
  • glibc-info >= 2.22-100.21.5
Patchnames:
SUSE-SLE-SDK-12-SP5-2020-832


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
SUSE CaaS Platform 3.0 glibc Not affected
SUSE Container as a Service Platform 1.0 glibc Affected
SUSE Container as a Service Platform 2.0 glibc Not affected
SUSE Linux Enterprise 15 Module for Basesystem glibc Already fixed
SUSE Linux Enterprise 15 Module for Development Tools glibc Already fixed
SUSE Linux Enterprise 15-SP1 Module for Basesystem glibc Already fixed
SUSE Linux Enterprise 15-SP1 Module for Development Tools glibc Already fixed
SUSE Linux Enterprise High Performance Computing 12 SP4 glibc Released
SUSE Linux Enterprise High Performance Computing 12 SP5 glibc Released
SUSE Linux Enterprise High Performance Computing 12 SP5 glibc.i686 Released
SUSE Linux Enterprise High Performance Computing 15 LTSS glibc Already fixed
SUSE Linux Enterprise Server 11 SP4 LTSS glibc Not affected
SUSE Linux Enterprise Server 12 SP1 LTSS glibc Not affected
SUSE Linux Enterprise Server 12 SP2 BCL glibc Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS glibc Not affected
SUSE Linux Enterprise Server 12 SP3 BCL glibc Not affected
SUSE Linux Enterprise Server 12 SP3 LTSS glibc Not affected
SUSE Linux Enterprise Server 12 SP4 glibc Released
SUSE Linux Enterprise Server 12 SP5 glibc Released
SUSE Linux Enterprise Server 12 SP5 glibc.i686 Released
SUSE Linux Enterprise Server 15 LTSS glibc Already fixed
SUSE Linux Enterprise Server ESPOS 15 glibc Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP2 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 glibc Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 glibc Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 glibc.i686 Released
SUSE Linux Enterprise Software Development Kit 12 SP4 glibc Released
SUSE Linux Enterprise Software Development Kit 12 SP5 glibc Not affected