CVE-2024-23170

MEDIUM

Mbed TLS 2.x < 2.28.7 and 3.x < 3.5.2 - Timing Side-Channel Attack via RSA Private Operations

Title source: llm
STIX 2.1

Description

An issue was discovered in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2. There was a timing side channel in RSA private operations. This side channel could be sufficient for a local attacker to recover the plaintext. It requires the attacker to send a large number of messages for decryption, as described in "Everlasting ROBOT: the Marvin Attack" by Hubert Kario.

Scores

CVSS v3 5.5
EPSS 0.0031
EPSS Percentile 22.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-203 CWE-385
Status published
Products (2)
arm/mbed_tls 2.0.0 - 2.28.7
trustedfirmware/mbed_tls 3.0.0 - 3.5.2
Published Jan 31, 2024
Tracked Since Feb 18, 2026