Vulnerability in Arm Mbed Tls
CVE-2024-23170
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.
EPSS: 0.003 (23.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Arm Mbed_tls
- Trustedfirmware Mbed_tls
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-23170?
- CVE-2024-23170 is a medium-severity vulnerability in Arm Mbed Tls, classified under Observable Discrepancy. CVSS score: 5.5/10. Published 2024-01-31.
- How severe is CVE-2024-23170?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2024-23170 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.