CVE-2021-20231

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1922276	Issue Tracking Patch Third Party Advisory
https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168%40%3Cissues.spark.apache.org%3E
https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb%40%3Cissues.spark.apache.org%3E
https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779%40%3Cissues.spark.apache.org%3E
https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7%40%3Cissues.spark.apache.org%3E
https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158%40%3Cissues.spark.apache.org%3E
https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f%40%3Cissues.spark.apache.org%3E
https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532%40%3Cissues.spark.apache.org%3E
https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20%40%3Cissues.spark.apache.org%3E
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/
https://security.netapp.com/advisory/ntap-20210416-0005/	Third Party Advisory
https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
	cpe:2.3:a:netapp:e-series_performance_analyzer:-:::::::*

History

07 Nov 2023, 03:29

Type	Values Removed	Values Added
References	{'url': 'https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210425 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'} {'url': 'https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210413 [jira] [Created] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'} {'url': 'https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210426 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'} {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/', 'name': 'FEDORA-2021-18bef34f05', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'} {'url': 'https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210426 [jira] [Updated] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'} {'url': 'https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210430 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'} {'url': 'https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210429 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'} {'url': 'https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210423 [jira] [Resolved] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'} {'url': 'https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f@%3Cissues.spark.apache.org%3E', 'name': '[spark-issues] 20210417 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'}	() https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20%40%3Cissues.spark.apache.org%3E - () https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7%40%3Cissues.spark.apache.org%3E - () https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb%40%3Cissues.spark.apache.org%3E - () https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532%40%3Cissues.spark.apache.org%3E - () https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779%40%3Cissues.spark.apache.org%3E - () https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158%40%3Cissues.spark.apache.org%3E - () https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f%40%3Cissues.spark.apache.org%3E - () https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168%40%3Cissues.spark.apache.org%3E - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ -

Information

Published : 2021-03-12 19:15

Updated : 2024-02-28 18:08

NVD link : CVE-2021-20231

Mitre link : CVE-2021-20231

CVE.ORG link : CVE-2021-20231

JSON object : View

Products Affected

netapp

e-series_performance_analyzer
active_iq_unified_manager

redhat

enterprise_linux

gnu

gnutls

fedoraproject

fedora

CWE

CWE-416

Use After Free

9.8 /10