Upstream information

CVE-2021-3569 at MITRE

Description

A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. 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 2.1
Vector AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.5 6.2
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local Local
Attack Complexity Low Low
Privileges Required Low None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1186655 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Enterprise Storage 7.1 libtpms Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 libtpms Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 libtpms Not affected
SUSE Linux Enterprise Micro 5.1 libtpms Not affected
SUSE Linux Enterprise Micro 5.2 libtpms Not affected
SUSE Linux Enterprise Micro 5.3 libtpms Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP3 libtpms Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP4 libtpms Not affected
SUSE Linux Enterprise Real Time 15 SP3 libtpms Not affected
SUSE Linux Enterprise Server 15 SP3 libtpms Not affected
SUSE Linux Enterprise Server 15 SP4 libtpms Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libtpms Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libtpms Not affected
SUSE Manager Proxy 4.2 libtpms Not affected
SUSE Manager Proxy 4.3 libtpms Not affected
SUSE Manager Retail Branch Server 4.2 libtpms Not affected
SUSE Manager Retail Branch Server 4.3 libtpms Not affected
SUSE Manager Server 4.2 libtpms Not affected
SUSE Manager Server 4.3 libtpms Not affected


SUSE Timeline for this CVE

CVE page created: Fri May 28 18:49:19 2021
CVE page last modified: Wed Nov 30 23:55:42 2022