CVE-2024-23170 Information disclosure in n/a
A local attacker can recover plaintext via a timing side channel in RSA operations by sending many decryption requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-23170?
CVE-2024-23170 is a medium-severity vulnerability in Arm Mbed Tls, published on 31 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2024-23170?
It affects 2 products.
Linux distribution packages (4)
mbedtls SUSE:Package Hub 15 SP5 | All versions | 2.28.7-bp155.2.3.1 |
mbedtls openSUSE:Leap 15.5 | All versions | 2.28.7-bp155.2.3.1 |
mbedtls openSUSE:Tumbleweed | All versions | 3.5.2-1.1 |
mbedtls-2 openSUSE:Tumbleweed | All versions | 2.28.7-1.1 |
Products include Arm Mbed Tls, Trustedfirmware Mbed Tls.
How do I fix CVE-2024-23170?
Upgrade to a fixed version.
Is CVE-2024-23170 being exploited?
There is no known exploitation of CVE-2024-23170 in the wild and no public exploit code.
Other vulnerabilities in Arm Mbed Tls
Sources
Also known as ALPINE-CVE-2024-23170, AZL-47697, DEBIAN-CVE-2024-23170, GHSA-w2fw-qqqw-v63m, JLSEC-2025-223, ROOT-OS-DEBIAN-12-CVE-2024-23170 and 4 more.