Multiple vulnerabilities in Mbed TLS

Published: 2024-02-07

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-23170 CVE-2024-23775
CWE-ID	CWE-385 CWE-190
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	mbed TLS Universal components / Libraries / Libraries used by multiple products
Vendor	ARM

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Covert Timing Channel

EUVDB-ID: #VU86233

Risk: Medium

CVSSv4.0: 2.7 [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-2024-23170

CWE-ID: CWE-385 - Covert Timing Channel

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

mbed TLS: 2.0.0 - 3.5.1

CPE2.3

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Integer overflow

EUVDB-ID: #VU86232