diff --git a/ChangeLog b/ChangeLog index 3673f5da5..23be7dd02 100644 --- a/ChangeLog +++ b/ChangeLog @@ -6,11 +6,11 @@ Security * Fix potential heap buffer overread and overwrite in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX. - * An adversary with access to precise enough information about memory - accesses (typically, an untrusted operating system attacking a secure - enclave) could recover an RSA private key after observing the victim - performing a single private-key operation if the window size used for the - exponentiation was 3 or smaller. Found and reported by Zili KOU, + * Fix an issue where an adversary with access to precise enough information + about memory accesses (typically, an untrusted operating system attacking + a secure enclave) could recover an RSA private key after observing the + victim performing a single private-key operation if the window size used + for the exponentiation was 3 or smaller. Found and reported by Zili KOU, Wenjian HE, Sharad Sinha, and Wei ZHANG. See "Cache Side-channel Attacks and Defenses of the Sliding Window Algorithm in TEEs" - Design, Automation and Test in Europe 2023. @@ -337,16 +337,17 @@ Security * It was possible to configure MBEDTLS_ECP_MAX_BITS to a value that is too small, leading to buffer overflows in ECC operations. Fail the build in such a case. - * An adversary with access to precise enough information about memory - accesses (typically, an untrusted operating system attacking a secure - enclave) could recover an RSA private key after observing the victim - performing a single private-key operation. Found and reported by + * Fix an issue where an adversary with access to precise enough information + about memory accesses (typically, an untrusted operating system attacking + a secure enclave) could recover an RSA private key after observing the + victim performing a single private-key operation. Found and reported by Zili KOU, Wenjian HE, Sharad Sinha, and Wei ZHANG. - * An adversary with access to precise enough timing information (typically, a - co-located process) could recover a Curve25519 or Curve448 static ECDH key - after inputting a chosen public key and observing the victim performing the - corresponding private-key operation. Found and reported by Leila Batina, - Lukas Chmielewski, Björn Haase, Niels Samwel and Peter Schwabe. + * Fix an issue where an adversary with access to precise enough timing + information (typically, a co-located process) could recover a Curve25519 + or Curve448 static ECDH key after inputting a chosen public key and + observing the victim performing the corresponding private-key operation. + Found and reported by Leila Batina, Lukas Chmielewski, Björn Haase, Niels + Samwel and Peter Schwabe. Bugfix * Add printf function attributes to mbedtls_debug_print_msg to ensure we