CVE-2021-20232

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.
Overview
  • CVE ID
  • CVE-2021-20232
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-12T19:15:13
  • Last Modified Date
  • 2021-05-17T14:30:31
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* 1 OR 3.6.3 3.7.1
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1922275 Issue Tracking Patch Third Party Advisory
https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10 Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210416-0005/ Third Party Advisory
https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7@%3Cissues.spark.apache.org%3E Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20232
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20232
History
Created Old Value New Value Data Type Notes
2022-05-10 16:15:59 Added to TrackCVE
2022-12-05 23:41:43 2021-03-12T19:15Z 2021-03-12T19:15:13 CVE Published Date updated
2022-12-05 23:41:43 2021-05-17T14:30:31 CVE Modified Date updated
2022-12-05 23:41:43 Analyzed Vulnerability Status updated