Upstream information

CVE-2020-8631 at MITRE

Description

cloud-init through 19.4 relies on Mersenne Twister for a random password, which makes it easier for attackers to predict passwords, because rand_str in cloudinit/util.py calls the random.choice function.

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 2.1
Vector AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.5 8.1
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Local Network
Access Complexity Low High
Privileges Required Low None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact None High
Availability Impact None High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1162937 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Image SLES15-EC2-CHOST-HVM-BYOS
  • cloud-init >= 19.4-5.24.1
  • cloud-init-config-suse >= 19.4-5.24.1
Image SLES15-SP1-CHOST-BYOS-Ali
Image SLES15-SP1-CHOST-BYOS-EC2
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-OpenStack
  • cloud-init >= 19.4-8.17.1
  • cloud-init-config-suse >= 19.4-8.17.1
SUSE CaaS Platform 3.0
  • cloud-init >= 19.4-37.39.1
Patchnames:
SUSE-CAASP-3.0-2020-818
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP1
  • cloud-init >= 19.4-8.17.1
  • cloud-init-doc >= 19.4-8.17.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-751
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
  • cloud-init >= 19.4-5.24.1
  • cloud-init-doc >= 19.4-5.24.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-2020-585
SUSE Linux Enterprise Module for Public Cloud 12
  • cloud-init >= 19.4-37.39.1
  • cloud-init-config-suse >= 19.4-37.39.1
Patchnames:
SUSE-SLE-Module-Public-Cloud-12-2020-818
SUSE Linux Enterprise Module for Public Cloud 15 SP1
  • cloud-init >= 19.4-8.17.1
  • cloud-init-config-suse >= 19.4-8.17.1
Patchnames:
SUSE-SLE-Module-Public-Cloud-15-SP1-2020-751
SUSE Linux Enterprise Module for Public Cloud 15
  • cloud-init >= 19.4-5.24.1
  • cloud-init-config-suse >= 19.4-5.24.1
Patchnames:
SUSE-SLE-Module-Public-Cloud-15-2020-585
openSUSE Leap 15.1
  • cloud-init >= 19.4-lp151.2.15.1
  • cloud-init-config-suse >= 19.4-lp151.2.15.1
  • cloud-init-doc >= 19.4-lp151.2.15.1
Patchnames:
openSUSE-2020-400


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
Public Cloud Module for SUSE Linux Enterprise 11 cloud-init Ignore
SUSE CaaS Platform 3.0 cloud-init Released
SUSE Container as a Service Platform 1.0 cloud-init Affected
SUSE Container as a Service Platform 2.0 cloud-init Already fixed
SUSE Linux Enterprise 12 Module for Public Cloud cloud-init Released
SUSE Linux Enterprise 15 Module for Public Cloud cloud-init Released
SUSE Linux Enterprise 15-SP1 Module for Public Cloud cloud-init Released
SUSE Linux Enterprise Server 11 SP3 cloud-init Released