Upstream information

CVE-2021-22945 at MITRE

Description

When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.

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 5.8
Vector AV:N/AC:M/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 9.1 6.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Access Vector Network Network
Access Complexity Low Low
Privileges Required None None
User Interaction None Required
Scope Unchanged Unchanged
Confidentiality Impact High Low
Integrity Impact None Low
Availability Impact High Low
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1190213 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • curl >= 7.79.1-1.1
  • libcurl-devel >= 7.79.1-1.1
  • libcurl-devel-32bit >= 7.79.1-1.1
  • libcurl4 >= 7.79.1-1.1
  • libcurl4-32bit >= 7.79.1-1.1
Patchnames:
openSUSE Tumbleweed GA curl-7.79.1-1.1


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 curl Not affected
SLES-LTSS-SAP curl Not affected
SUSE CaaS Platform 4.0 curl Not affected
SUSE Enterprise Storage 6 curl Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 curl Not affected
SUSE Linux Enterprise High Performance Computing 15 LTSS curl Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS curl Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 curl Not affected
SUSE Linux Enterprise Point of Service 11 SP3 curl Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS curl Not affected
SUSE Linux Enterprise Server 12 SP3 ESPOS curl Not affected
SUSE Linux Enterprise Server 12 SP3 LTSS curl Not affected
SUSE Linux Enterprise Server 12 SP4 ESPOS curl Not affected
SUSE Linux Enterprise Server 12 SP4 LTSS curl Not affected
SUSE Linux Enterprise Server 12 SP5 curl Not affected
SUSE Linux Enterprise Server 15 ESPOS curl Not affected
SUSE Linux Enterprise Server 15 LTSS curl Not affected
SUSE Linux Enterprise Server 15 SP1 LTSS curl Not affected
SUSE Linux Enterprise Server BCL 12 SP2 curl Not affected
SUSE Linux Enterprise Server BCL 12 SP3 curl Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 curl Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 curl Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 curl Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 curl Not affected
SUSE Linux Enterprise Server for SAP Applications 15 curl Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 curl Not affected
SUSE OpenStack Cloud 8 curl Not affected
SUSE OpenStack Cloud 9 curl Not affected
SUSE OpenStack Cloud Crowbar 8 curl Not affected
SUSE OpenStack Cloud Crowbar 9 curl Not affected