Search/CVE-2018-12437
● CVE — Medium

CVE-2018-12437

Vendorlibtom, trustedfirmwareProductlibtomcrypt, op-teeDiscoveredJun 15, 2018UpdatedJun 5, 2026

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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CVSS v3.1
4.9 MEDIUM
EPSS
0.54%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorPHYSICAL
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeCHANGED
ConfidentialityHIGH
IntegrityNONE
AvailabilityNONE
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Connections
3 relationships
Timeline
disclosure → media coverage
Jun 15, 2018
Disclosure — published as a CVE record. · last revised by NVD Jun 5, 2026