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CVE-2021-43666

Good to know:

Date: March 24, 2022

A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtls_pkcs12_derivation function when an input password's length is 0.

Language: C

Severity Score

8.8

Related Resources (5)

Url: https://github.com/ARMmbed/mbedtls/issues/5136

Url: https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-43666

Url: https://security-tracker.debian.org/tracker/CVE-2021-43666

Url: https://www.mend.io/vulnerability-database/CVE-2021-43666

Severity Score

8.8

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

Upgrade Version

Upgrade to version v2.16.12,v2.28.0,v3.1.0

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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