Upstream information

CVE-2021-33620 at MITRE

Description

Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4
Vector AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.5 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Network
Access Complexity Low Low
Privileges Required Low Low
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 entries: 1185923 [NEW], 1186654 [RESOLVED / DUPLICATE]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • squid >= 5.4.1-2.1
Patchnames:
openSUSE Tumbleweed GA squid-5.4.1-2.1


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Please note that this evaluation state might be work in progress, incomplete or outdated.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
HPE Helion OpenStack 8 squid Affected
SUSE CaaS Platform 4.0 squid Released
SUSE CaaS Platform 4.5 squid Affected
SUSE Enterprise Storage 6 squid Released
SUSE Enterprise Storage 7 squid Affected
SUSE Linux Enterprise High Performance Computing 12 SP5 squid Released
SUSE Linux Enterprise High Performance Computing 15 LTSS squid Released
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS squid Released
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS squid Released
SUSE Linux Enterprise High Performance Computing 15 SP2 squid Released
SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS squid Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS squid Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 squid Released
SUSE Linux Enterprise High Performance Computing 15 SP4 squid Already fixed
SUSE Linux Enterprise Module for Server Applications 15 SP2 squid Released
SUSE Linux Enterprise Module for Server Applications 15 SP3 squid Released
SUSE Linux Enterprise Module for Server Applications 15 SP4 squid Already fixed
SUSE Linux Enterprise Point of Service 11 SP3 squid Affected
SUSE Linux Enterprise Point of Service 11 SP3 squid3 Unsupported
SUSE Linux Enterprise Real Time 15 SP2 squid Affected
SUSE Linux Enterprise Server 11 SP1 squid Affected
SUSE Linux Enterprise Server 11 SP3 squid Affected
SUSE Linux Enterprise Server 11 SP4 LTSS squid Affected
SUSE Linux Enterprise Server 11 SP4 LTSS squid3 Unsupported
SUSE Linux Enterprise Server 12 SP2 BCL squid Affected
SUSE Linux Enterprise Server 12 SP3 BCL squid Affected
SUSE Linux Enterprise Server 12 SP3 ESPOS squid Affected
SUSE Linux Enterprise Server 12 SP3 LTSS squid Affected
SUSE Linux Enterprise Server 12 SP4 ESPOS squid Affected
SUSE Linux Enterprise Server 12 SP4 LTSS squid Affected
SUSE Linux Enterprise Server 12 SP5 squid Released
SUSE Linux Enterprise Server 15 ESPOS squid Released
SUSE Linux Enterprise Server 15 LTSS squid Released
SUSE Linux Enterprise Server 15 SP1 LTSS squid Released
SUSE Linux Enterprise Server 15 SP2 squid Released
SUSE Linux Enterprise Server 15 SP2 LTSS squid Affected
SUSE Linux Enterprise Server 15 SP3 squid Released
SUSE Linux Enterprise Server 15 SP4 squid Already fixed
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 squid Released
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 squid Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 squid Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 squid Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 squid In progress
SUSE Linux Enterprise Server for SAP Applications 15 squid Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 squid Released
SUSE Linux Enterprise Server for SAP Applications 15 SP2 squid Released
SUSE Linux Enterprise Server for SAP Applications 15 SP3 squid Released
SUSE Linux Enterprise Server for SAP Applications 15 SP4 squid Already fixed
SUSE Linux Enterprise Storage 7 squid Released
SUSE Linux Enterprise Storage 7.1 squid Released
SUSE Manager Proxy 4.0 squid Released
SUSE Manager Proxy 4.1 squid Released
SUSE Manager Proxy 4.2 squid Released
SUSE Manager Proxy 4.3 squid Already fixed
SUSE Manager Retail Branch Server 4.0 squid Released
SUSE Manager Retail Branch Server 4.1 squid Released
SUSE Manager Retail Branch Server 4.2 squid Released
SUSE Manager Retail Branch Server 4.3 squid Already fixed
SUSE Manager Server 4.0 squid Released
SUSE Manager Server 4.1 squid Released
SUSE Manager Server 4.2 squid Released
SUSE Manager Server 4.3 squid Already fixed
SUSE OpenStack Cloud 8 squid Affected
SUSE OpenStack Cloud 9 squid Affected
SUSE OpenStack Cloud Crowbar 8 squid Affected
SUSE OpenStack Cloud Crowbar 9 squid Affected
suse/manager/4.3/proxy-squid squidAlready fixed