Upstream information

CVE-2021-42072 at MITRE

Description

An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thus exploit weaknesses in the provided protocol to cause denial-of-service or stage further attacks that could lead to information leaks or integrity corruption.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 6.5
Vector AV:N/AC:L/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 8.8
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
No SUSE Bugzilla entries cross referenced.

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP3
  • barrier >= 2.4.0-bp153.2.3.1
 Patchnames:
openSUSE-2021-1595
openSUSE Leap 15.2
  • barrier >= 2.4.0-lp152.3.6.1
 Patchnames:
openSUSE-2021-1498
openSUSE Leap 15.3
  • barrier >= 2.4.0-bp153.2.3.1
 Patchnames:
openSUSE-2021-1595
openSUSE Tumbleweed
  • barrier >= 2.4.0-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-11633

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Please note that this evaluation state might be work in progress, incomplete or outdated.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. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products past their end of life and not receiving proactive updates anymore.
SUSE Package Hub 15 SP3 barrier Released

SUSE Timeline for this CVE

CVE page created: Wed Aug 11 10:03:50 2021
CVE page last modified: Thu Dec 11 17:00:11 2025