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CVE-2017-14737

Status Candidate

Overview

A cryptographic cache-based side channel in the RSA implementation in Botan before 1.10.17, and 1.11.x and 2.x before 2.3.0, allows a local attacker to recover information about RSA secret keys, as demonstrated by CacheD. This occurs because an array is indexed with bits derived from a secret key.

Related Files

Botan C++ Crypto Algorithms Library 2.3.0
Posted Oct 3, 2017
Site botan.randombit.net

Botan is a C++ library of cryptographic algorithms, including AES, DES, SHA-1, RSA, DSA, Diffie-Hellman, and many others. It also supports X.509 certificates and CRLs, and PKCS

Changes: Addressed a side channel affecting modular exponentiation. An attacker capable of a local or cross-VM cache analysis attack may be able to recover bits of secret exponents as used in RSA, DH, etc. Various other updates.
tags | library
advisories | CVE-2017-14737
MD5 | b41043dec32857498898013000db98c7
Botan C++ Crypto Algorithms Library 1.10.17
Posted Oct 3, 2017
Site botan.randombit.net

Botan is a C++ library of cryptographic algorithms, including AES, DES, SHA-1, RSA, DSA, Diffie-Hellman, and many others. It also supports X.509 certificates and CRLs, and PKCS #10 certificate requests, and has a high level filter/pipe message processing system. The library is easily portable to most systems and compilers, and includes a substantial tutorial and API reference. This is the old stable release.

Changes: Addressed a side channel affecting modular exponentiation. An attacker capable of a local or cross-VM cache analysis attack may be able to recover bits of secret exponents as used in RSA, DH, etc. Various other updates.
tags | library
advisories | CVE-2017-14737
MD5 | e5ed5dc70edd238c5a2116670b2cb3f3
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