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.

Upstream Security Advisories:

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 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
Attack Vector Network Network
Attack 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 [RESOLVED / FIXED], 1186654 [RESOLVED / DUPLICATE]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Image SLES15-SP3-Manager-4-2-Proxy-BYOS-Azure
Image SLES15-SP3-Manager-4-2-Proxy-BYOS-EC2-HVM
Image SLES15-SP3-Manager-4-2-Proxy-BYOS-GCE
  • squid >= 4.17-150000.5.32.1
SUSE CaaS Platform 4.0
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SUSE-CAASP-4.0-2022-2553
SUSE Enterprise Storage 6
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-Storage-6-2022-2553
SUSE Enterprise Storage 7.1
SUSE Linux Enterprise High Performance Computing 15 SP3
SUSE Linux Enterprise Module for Server Applications 15 SP3
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server for SAP Applications 15 SP3
SUSE Manager Proxy 4.2
SUSE Manager Retail Branch Server 4.2
SUSE Manager Server 4.2
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP3-2022-2553
SUSE Enterprise Storage 7
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-Storage-7-2022-2553
SUSE Liberty Linux 8
  • libecap >= 1.0.1-2.module+el8.1.0+4044+36416a77
  • libecap-devel >= 1.0.1-2.module+el8.1.0+4044+36416a77
  • squid >= 4.15-1.module+el8.5.0+11469+24c223d9
 Patchnames:
RHSA-2021:4292
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-2553
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-2553
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-2553
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-2553
SUSE Linux Enterprise High Performance Computing 15 SP4
SUSE Linux Enterprise Module for Server Applications 15 SP4
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15 SP4
SUSE Manager Proxy 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Manager Server 4.3
  • squid >= 5.4.1-150400.1.16
 Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 SP4 GA squid-5.4.1-150400.1.16
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-HPC-15-2022-2553
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • squid >= 4.17-4.24.1
 Patchnames:
SUSE-SLE-SERVER-12-SP5-2022-2367
SUSE Linux Enterprise Server 15 SP1-BCL
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP1-BCL-2022-2553
SUSE Linux Enterprise Server 15 SP1-LTSS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-2553
SUSE Linux Enterprise Server 15 SP2-BCL
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP2-BCL-2022-2553
SUSE Linux Enterprise Server 15 SP2-LTSS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-2553
SUSE Linux Enterprise Server 15-LTSS
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES-15-2022-2553
SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP1-2022-2553
SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP2-2022-2553
SUSE Linux Enterprise Server for SAP Applications 15
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-2022-2553
SUSE Manager Proxy 4.1
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-2553
SUSE Manager Retail Branch Server 4.1
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-2553
SUSE Manager Server 4.1
  • squid >= 4.17-150000.5.32.1
 Patchnames:
SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-2553
openSUSE Leap 15.3
  • squid >= 4.17-150000.5.32.1
 Patchnames:
openSUSE-SLE-15.3-2022-2553
openSUSE Tumbleweed
  • squid >= 5.4.1-2.1
 Patchnames:
openSUSE-Tumbleweed-2024-11929

First public cloud image revisions this CVE is fixed in:

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 under general support and receiving all security fixes.
SUSE Linux Enterprise High Performance Computing 12 SP5 squid Released
SUSE Linux Enterprise High Performance Computing 15 SP5 squid Already fixed
SUSE Linux Enterprise Module for Server Applications 15 SP5 squid Already fixed
SUSE Linux Enterprise Server 12 SP5 squid Released
SUSE Linux Enterprise Server 12 SP5-LTSS squid Affected
SUSE Linux Enterprise Server 15 SP5 squid Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP5 squid Released
SUSE Linux Enterprise Server for SAP Applications 15 SP5 squid Already fixed
SUSE Manager Proxy 4.3 squid Already fixed
SUSE Manager Retail Branch Server 4.3 squid Already fixed
SUSE Manager Server 4.3 squid Already fixed
openSUSE Leap 15.5 squid Already fixed
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP2 squid Released
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS squid Released
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS squid Released
SUSE Linux Enterprise High Performance Computing 15 SP3 squid Released
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS squid Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS squid Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 squid Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS squid Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS 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 Server 15 SP2 squid Released
SUSE Linux Enterprise Server 15 SP2-LTSS squid Released
SUSE Linux Enterprise Server 15 SP3 squid Released
SUSE Linux Enterprise Server 15 SP3-LTSS squid Affected
SUSE Linux Enterprise Server 15 SP4 squid Already fixed
SUSE Linux Enterprise Server 15 SP4-LTSS squid Already fixed
SUSE Linux Enterprise Server 15-ESPOS squid Released
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 squid Released
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 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
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 squid Affected
SUSE CaaS Platform 4.0 squid Released
SUSE CaaS Platform 4.5 squid Released
SUSE Enterprise Storage 6 squid Released
SUSE Enterprise Storage 7 squid Released
SUSE Enterprise Storage 7.1 squid Released
SUSE Linux Enterprise High Performance Computing 15 squid Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 squid Affected
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-ESPOS squid Released
SUSE Linux Enterprise High Performance Computing 15-LTSS squid Released
SUSE Linux Enterprise Module for Server Applications 15 squid Affected
SUSE Linux Enterprise Module for Server Applications 15 SP1 squid Affected
SUSE Linux Enterprise Point of Sale 11 SP3 squid Unsupported
SUSE Linux Enterprise Point of Sale 11 SP3 squid3 Unsupported
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT squid Unsupported
SUSE Linux Enterprise Point of Service 11 SP3 squid Unsupported
SUSE Linux Enterprise Point of Service 11 SP3 squid3 Unsupported
SUSE Linux Enterprise Real Time 15 SP2 squid Released
SUSE Linux Enterprise Real Time 15 SP3 squid Affected
SUSE Linux Enterprise Real Time 15 SP4 squid Already fixed
SUSE Linux Enterprise Server 11 SP1 squid Unsupported
SUSE Linux Enterprise Server 11 SP1-LTSS squid Unsupported
SUSE Linux Enterprise Server 11 SP1-LTSS squid3 Unsupported
SUSE Linux Enterprise Server 11 SP2 squid Unsupported
SUSE Linux Enterprise Server 11 SP2 squid3 Unsupported
SUSE Linux Enterprise Server 11 SP2-LTSS squid Unsupported
SUSE Linux Enterprise Server 11 SP2-LTSS squid3 Unsupported
SUSE Linux Enterprise Server 11 SP3 squid Released
SUSE Linux Enterprise Server 11 SP3 squid3 Unsupported
SUSE Linux Enterprise Server 11 SP3-LTSS squid Unsupported
SUSE Linux Enterprise Server 11 SP3-LTSS squid3 Unsupported
SUSE Linux Enterprise Server 11 SP4 squid Unsupported
SUSE Linux Enterprise Server 11 SP4 squid3 Unsupported
SUSE Linux Enterprise Server 11 SP4 LTSS squid Affected
SUSE Linux Enterprise Server 11 SP4 LTSS squid3 Unsupported
SUSE Linux Enterprise Server 11 SP4-LTSS squid Unsupported
SUSE Linux Enterprise Server 11 SP4-LTSS squid3 Unsupported
SUSE Linux Enterprise Server 12 SP2 squid Unsupported
SUSE Linux Enterprise Server 12 SP2-BCL squid Unsupported
SUSE Linux Enterprise Server 12 SP2-ESPOS squid Unsupported
SUSE Linux Enterprise Server 12 SP2-LTSS squid Unsupported
SUSE Linux Enterprise Server 12 SP3 squid Unsupported
SUSE Linux Enterprise Server 12 SP3-BCL squid Unsupported
SUSE Linux Enterprise Server 12 SP3-ESPOS squid Unsupported
SUSE Linux Enterprise Server 12 SP3-LTSS squid Unsupported
SUSE Linux Enterprise Server 12 SP4 squid Unsupported
SUSE Linux Enterprise Server 12 SP4-ESPOS squid Unsupported
SUSE Linux Enterprise Server 12 SP4-LTSS squid Unsupported
SUSE Linux Enterprise Server 15 squid Affected
SUSE Linux Enterprise Server 15 SP1 squid Affected
SUSE Linux Enterprise Server 15 SP1-BCL squid Released
SUSE Linux Enterprise Server 15 SP1-LTSS squid Released
SUSE Linux Enterprise Server 15 SP2-BCL squid Released
SUSE Linux Enterprise Server 15 SP3-BCL squid Affected
SUSE Linux Enterprise Server 15-LTSS squid Released
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 squid Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP2 squid Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP3 squid Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP4 squid Unsupported
SUSE Linux Enterprise Server for SAP Applications 15 squid Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 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 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 Server 4.0 squid Released
SUSE Manager Server 4.1 squid Released
SUSE Manager Server 4.2 squid Released
SUSE OpenStack Cloud 7 squid Unsupported
SUSE OpenStack Cloud 8 squid Affected
SUSE OpenStack Cloud 9 squid Unsupported
SUSE OpenStack Cloud Crowbar 8 squid Affected
SUSE OpenStack Cloud Crowbar 9 squid Unsupported
openSUSE Leap 15.3 squid Affected
openSUSE Leap 15.4 squid Already fixed
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security squid Affected

SUSE Timeline for this CVE

CVE page created: Fri May 28 18:49:23 2021
CVE page last modified: Tue Oct 8 18:31:46 2024