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CVE-2018-12435

Published: Jun 15, 2018

Modified: Aug 5, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/

x_refsource_MISC

https://botan.randombit.net/security.html

x_refsource_CONFIRM

https://github.com/randombit/botan/commit/48fc8df51d99f9d8ba251219367b3d629cc848e3

x_refsource_CONFIRM

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