CVE-2024-23170
Published: 31 January 2024
Summary
CVE-2024-23170 is a medium-severity Observable Discrepancy (CWE-203) vulnerability in Arm Mbed Tls. Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 43.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-20689
Vulnerability details
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…
more
the attacker to send a large number of messages for decryption, as described in "Everlasting ROBOT: the Marvin Attack" by Hubert Kario.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Directly targets covert timing channels by requiring identification and bandwidth estimation, enabling mitigation that reduces or eliminates their usability.
Misdirection can normalize or falsify responses to eliminate observable discrepancies that aid reconnaissance.
Prevents attackers from using observable differences in error responses to infer internal system details or state.