Observable discrepancy in mbed TLS - CVE-2022-46392
Published: September 23, 2024
Vulnerability identifier: #VU97653
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-46392
CWE-ID: CWE-203
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: ARM
Affected software:
mbed TLS
mbed TLS
Detailed vulnerability description
The vulnerability allows a local user to recover an RSA private key.
The vulnerability exists due to observable discrepancy. A local user with access to local memory can recover an RSA private key after observing the victim performing a single private-key operation.
How to mitigate CVE-2022-46392
Install updates from vendor's website.