CVE-2021-44732
Mbed TLS Double Free
Description
Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.
INFO
Published Date :
Dec. 20, 2021, 8:15 a.m.
Last Modified :
Feb. 24, 2023, 12:09 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2021-44732.
| URL | Resource |
|---|---|
| https://bugs.gentoo.org/829660 | Issue Tracking Mailing List Third Party Advisory |
| https://github.com/ARMmbed/mbedtls/releases | Release Notes |
| https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 | Release Notes |
| https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 | Release Notes |
| https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 | Release Notes |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html | Mailing List Third Party Advisory |
| https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12 | Exploit Mitigation Third Party Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-44732 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-44732 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 24, 2023
Action Type Old Value New Value Changed Reference Type https://github.com/ARMmbed/mbedtls/releases Release Notes, Third Party Advisory https://github.com/ARMmbed/mbedtls/releases Release Notes Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 Release Notes, Third Party Advisory https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 Release Notes Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 Release Notes, Third Party Advisory https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 Release Notes Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 Release Notes, Third Party Advisory https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 Release Notes Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 26, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 29, 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://bugs.gentoo.org/829660 No Types Assigned https://bugs.gentoo.org/829660 Issue Tracking, Mailing List, Third Party Advisory Changed Reference Type https://github.com/ARMmbed/mbedtls/releases No Types Assigned https://github.com/ARMmbed/mbedtls/releases Release Notes, Third Party Advisory Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 No Types Assigned https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 Release Notes, Third Party Advisory Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 No Types Assigned https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 Release Notes, Third Party Advisory Changed Reference Type https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 No Types Assigned https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 Release Notes, Third Party Advisory Changed Reference Type https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12 No Types Assigned https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12 Exploit, Mitigation, Third Party Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* versions up to (excluding) 2.16.12 *cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* versions from (including) 2.17.0 up to (excluding) 2.28.0 *cpe:2.3:a:arm:mbed_tls:3.0.0:-:*:*:*:*:*:* *cpe:2.3:a:arm:mbed_tls:3.0.0:preview1:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-44732 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-2021-44732
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.41 }} 0.06%
score
0.74428
percentile