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CVE-2018-12435

CVE-2018-12435

EPSS 0.5%
Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ec_group/ec_group.cpp, and ecdsa/ecdsa.cpp. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Produtos afetados
n/a · n/a

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Referências
https://botan.randombit.net/security.htmlhttps://github.com/randombit/botan/commit/48fc8df51d99f9d8ba251219367b3d629cc848e3https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/