SB2024020751 - Multiple vulnerabilities in Mbed TLS

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Covert Timing Channel (CVE-ID: CVE-2024-23170)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to a timing side channel in RSA private operations. A remote attacker can perform Marvin attack and gain access to sensitive information.

2) Integer overflow (CVE-ID: CVE-2024-23775)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in mbedtls_x509_set_extension(). A remote attacker can pass specially crafted data to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-1/
• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-2/