Bug 1183457 - (CVE-2021-20231) VUL-0: CVE-2021-20231: gnutls: Use after free in client key_share extension
(CVE-2021-20231)
VUL-0: CVE-2021-20231: gnutls: Use after free in client key_share extension
Status: RESOLVED FIXED
Classification: Novell Products
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents
unspecified
Other Other
: P3 - Medium : Normal
: ---
Assigned To: Security Team bot
Security Team bot
https://smash.suse.de/issue/279725/
CVSSv3.1:SUSE:CVE-2021-20231:7.4:(AV:...
:
Depends on:
Blocks:
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Reported: 2021-03-12 15:29 UTC by Robert Frohl
Modified: 2022-06-10 12:33 UTC (History)
3 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description Robert Frohl 2021-03-12 15:29:01 UTC
rh#1922276

A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1922276
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-20231
Comment 2 Pedro Monreal Gonzalez 2021-03-12 19:15:59 UTC
Factory submission:
   https://build.opensuse.org/request/show/878618
Comment 3 Pedro Monreal Gonzalez 2021-03-15 11:51:40 UTC
Only versions >= 3.6.x affected, i.e. gnutls.SUSE_SLE-15-SP2_Update and gnutls.SUSE_SLE-15_Update. See also the upstream advisory:

https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10
Comment 7 Swamp Workflow Management 2021-03-24 14:29:40 UTC
SUSE-SU-2021:0934-1: An update that fixes two vulnerabilities is now available.

Category: security (important)
Bug References: 1183456,1183457
CVE References: CVE-2021-20231,CVE-2021-20232
JIRA References: 
Sources used:
SUSE Manager Server 4.0 (src):    gnutls-3.6.7-6.40.2
SUSE Manager Retail Branch Server 4.0 (src):    gnutls-3.6.7-6.40.2
SUSE Manager Proxy 4.0 (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise Server for SAP 15-SP1 (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise Server for SAP 15 (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise Server 15-SP1-LTSS (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise Server 15-SP1-BCL (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise Server 15-LTSS (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise High Performance Computing 15-LTSS (src):    gnutls-3.6.7-6.40.2
SUSE Linux Enterprise High Performance Computing 15-ESPOS (src):    gnutls-3.6.7-6.40.2
SUSE Enterprise Storage 6 (src):    gnutls-3.6.7-6.40.2
SUSE CaaS Platform 4.0 (src):    gnutls-3.6.7-6.40.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 8 Swamp Workflow Management 2021-03-24 14:33:01 UTC
SUSE-SU-2021:0935-1: An update that fixes two vulnerabilities is now available.

Category: security (important)
Bug References: 1183456,1183457
CVE References: CVE-2021-20231,CVE-2021-20232
JIRA References: 
Sources used:
SUSE MicroOS 5.0 (src):    gnutls-3.6.7-14.10.2
SUSE Linux Enterprise Module for Basesystem 15-SP2 (src):    gnutls-3.6.7-14.10.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 9 Swamp Workflow Management 2021-03-25 11:18:35 UTC
openSUSE-SU-2021:0470-1: An update that fixes two vulnerabilities is now available.

Category: security (important)
Bug References: 1183456,1183457
CVE References: CVE-2021-20231,CVE-2021-20232
JIRA References: 
Sources used:
openSUSE Leap 15.2 (src):    gnutls-3.6.7-lp152.9.9.1
Comment 13 Carlos López 2022-06-10 12:33:36 UTC
Done, closing.