CVE-2021-20232
Gnutls Use After Free Memory Corruption Vulnerability
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.
INFO
Published Date :
March 12, 2021, 7:15 p.m.
Last Modified :
Nov. 21, 2024, 5:46 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-20232
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update the affected packages.
- Update the affected gnutls packages.
Public PoC/Exploit Available at Github
CVE-2021-20232 has a 5 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-20232.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20232 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-20232
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A tool for scanning Tykio Docker images and generating consolidated vulnerability reports.
Shell
Golang application to create a portable honeypot web application page with definition for use with modpot
Go
Scan a list of container images using Aqua Security's trivy CLI tool
Shell
demo stuff
Dockerfile Rust Shell HCL
None
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-20232 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20232 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1922275 Added Reference https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168%40%3Cissues.spark.apache.org%3E Added Reference https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb%40%3Cissues.spark.apache.org%3E Added Reference https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779%40%3Cissues.spark.apache.org%3E Added Reference https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7%40%3Cissues.spark.apache.org%3E Added Reference https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158%40%3Cissues.spark.apache.org%3E Added Reference https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f%40%3Cissues.spark.apache.org%3E Added Reference https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532%40%3Cissues.spark.apache.org%3E Added Reference https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20%40%3Cissues.spark.apache.org%3E Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ Added Reference https://security.netapp.com/advisory/ntap-20210416-0005/ Added Reference https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779%40%3Cissues.spark.apache.org%3E [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f%40%3Cissues.spark.apache.org%3E [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb%40%3Cissues.spark.apache.org%3E [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158%40%3Cissues.spark.apache.org%3E [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20%40%3Cissues.spark.apache.org%3E [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532%40%3Cissues.spark.apache.org%3E [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168%40%3Cissues.spark.apache.org%3E [No types assigned] Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7%40%3Cissues.spark.apache.org%3E [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779@%3Cissues.spark.apache.org%3E Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f@%3Cissues.spark.apache.org%3E Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb@%3Cissues.spark.apache.org%3E Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158@%3Cissues.spark.apache.org%3E Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20@%3Cissues.spark.apache.org%3E Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532@%3Cissues.spark.apache.org%3E Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168@%3Cissues.spark.apache.org%3E Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7@%3Cissues.spark.apache.org%3E -
Reanalysis by [email protected]
May. 17, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* versions up to (excluding) 3.6.3 OR *cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* versions from (including) 3.6.3 up to (excluding) 3.7.1 -
Modified Analysis by [email protected]
May. 12, 2021
Action Type Old Value New Value Changed Reference Type https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20@%3Cissues.spark.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20@%3Cissues.spark.apache.org%3E Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20210416-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20210416-0005/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.1 OR *cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* versions up to (excluding) 3.6.3 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 30, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r6ac143ba6dd98bd4bf6bf010d46e56e254056459721ba18822d611f7@%3Cissues.spark.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 29, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/rf5e1256d870193def4a82ad89ab95e63943a313b5ff0d81aa87e4532@%3Cissues.spark.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r50661d6f0082709aad9a584431b59ec364f9974b63b07e0800230168@%3Cissues.spark.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 26, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/rfd5273d72d244178441e6904a2f2b41a3268f569e8092ea0b3b2bb20@%3Cissues.spark.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 25, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r9cbc69e57276413788e90a6ee16c7c034ea4258d31935b70db2bd158@%3Cissues.spark.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 23, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r5d4001031e7790d8c6396c499522b4ed2aab782da87b1a14184793bb@%3Cissues.spark.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 18, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/rcd70a4c88a47a75fd2d5f3ffb7cee8c2a18c713320bd90fdcb57495f@%3Cissues.spark.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 16, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210416-0005/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 14, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r5f88bed447742fcc5c47bf1c7be965ef450131914a6e1f85feba2779@%3Cissues.spark.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Mar. 24, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 19, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1922275 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1922275 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10 No Types Assigned https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10 Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.1 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.84 }} -0.00%
score
0.73520
percentile