Medium severity4.9OSV Advisory· Published Jun 15, 2018· Updated Jun 5, 2026
CVE-2018-12437
CVE-2018-12437
Description
LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
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Affected products
40.75, 0.76, 0.77, …+ 2 more
- (no CPE)range: 0.75, 0.76, 0.77, …
- cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:*range: <=1.18.1
- (no CPE)range: <=1.18.1
Patches
Vulnerability mechanics
References
2- www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/nvdExploitTechnical DescriptionThird Party Advisory
- security.gentoo.org/glsa/202007-53nvdThird Party Advisory
News mentions
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