CVE-2020-36426

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte).

Se ha detectado un problema en Arm Mbed TLS versiones anteriores a 2.24.0. la función mbedtls_x509_crl_parse_der presenta lectura excesiva del búfer (de un byte)

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-19 CVE Reserved
2021-07-19 CVE Published
2024-04-03 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (5)

URL	Tag	Source
https://bugs.gentoo.org/740108	Issue Tracking
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8	Release Notes
https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0	Release Notes
https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17	Release Notes
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Arm Search vendor "Arm"		Mbed Tls Search vendor "Arm" for product "Mbed Tls"				< 2.7.17 Search vendor "Arm" for product "Mbed Tls" and version " < 2.7.17"		-		Affected
Arm Search vendor "Arm"		Mbed Tls Search vendor "Arm" for product "Mbed Tls"				>= 2.8.0 < 2.16.8 Search vendor "Arm" for product "Mbed Tls" and version " >= 2.8.0 < 2.16.8"		-		Affected
Arm Search vendor "Arm"		Mbed Tls Search vendor "Arm" for product "Mbed Tls"				>= 2.17.0 < 2.24.0 Search vendor "Arm" for product "Mbed Tls" and version " >= 2.17.0 < 2.24.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected