Cleartext transmission of sensitive information in mbed TLS - CVE-2020-36423

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU71100

Cleartext transmission of sensitive information in mbed TLS - CVE-2020-36423

Published: January 11, 2023


Vulnerability identifier: #VU71100
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-36423
CWE-ID: CWE-319
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
mbed TLS
Software vendor:
ARM

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to an issue in Lucky 13 counter-measure that could make it ineffective when hardware accelerators were used (using one of the MBEDTLS_SHAxxx_ALT macros). A remote attacker can gain access to sensitive information.


Remediation

Install updates from vendor's website.

External links