An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.
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History
Mon, 03 Nov 2025 20:30:00 +0000
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Mon, 21 Apr 2025 15:15:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2022-12-15T00:00:00.000Z
Updated: 2025-11-03T19:27:43.064Z
Reserved: 2022-12-04T00:00:00.000Z
Link: CVE-2022-46392
Updated: 2025-11-03T19:27:43.064Z
Status : Modified
Published: 2022-12-15T23:15:10.513
Modified: 2025-11-03T20:15:57.980
Link: CVE-2022-46392
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