Upstream information

CVE-2021-31806 at MITRE

Description

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.

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 entry: 1185916 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE CaaS Platform 4.0
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SUSE-CAASP-4.0-2021-1961
SUSE Enterprise Storage 6
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-Storage-6-2021-1961
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-1961
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-1961
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-HPC-15-2021-1961
SUSE Linux Enterprise Module for Server Applications 15 SP2
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP2-2021-1961
SUSE Linux Enterprise Module for Server Applications 15 SP3
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP3-2021-1961
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • squid >= 4.15-4.18.1
Patchnames:
SUSE-SLE-SERVER-12-SP5-2021-1838
SUSE Linux Enterprise Server 15 SP1-BCL
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SLES-15-SP1-BCL-2021-1961
SUSE Linux Enterprise Server 15 SP1-LTSS
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-1961
SUSE Linux Enterprise Server 15-LTSS
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SLES-15-2021-1961
SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP1-2021-1961
SUSE Linux Enterprise Server for SAP Applications 15
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SLES_SAP-15-2021-1961
SUSE Manager Proxy 4.0
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-1961
SUSE Manager Retail Branch Server 4.0
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-1961
SUSE Manager Server 4.0
  • squid >= 4.15-5.26.1
Patchnames:
SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-1961
openSUSE Leap 15.2
  • squid >= 4.15-lp152.2.9.1
  • squid-debuginfo >= 4.15-lp152.2.9.1
  • squid-debugsource >= 4.15-lp152.2.9.1
Patchnames:
openSUSE-2021-879
openSUSE Leap 15.3
  • squid >= 4.15-5.26.1
Patchnames:
openSUSE-SLE-15.3-2021-1961


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.

Product(s) Source package State
HPE Helion OpenStack 8 squid Affected
SUSE CaaS Platform 4.0 squid Released
SUSE Enterprise Storage 6 squid Released
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 Module for Server Applications 15 SP2 squid Released
SUSE Linux Enterprise Module for Server Applications 15 SP3 squid Released
SUSE Linux Enterprise Point of Service 11 SP3 squid Not affected
SUSE Linux Enterprise Point of Service 11 SP3 squid3 Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS squid Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS squid3 Not affected
SUSE Linux Enterprise Server 12 SP2 BCL squid Affected
SUSE Linux Enterprise Server 12 SP2 LTSS ERICSSON squid Affected
SUSE Linux Enterprise Server 12 SP2 LTSS SAP 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 LTSS squid Released
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux squid Released
SUSE Linux Enterprise Server 15 SP1 LTSS squid Released
SUSE Linux Enterprise Server ESPOS 15 squid Released
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 Manager Proxy 4.0 squid Released
SUSE Manager Retail Branch Server 4.0 squid Released
SUSE Manager Server 4.0 squid Released
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