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CVE-2018-12437

nvd nist
Published: Jun 15, 2018Modified: Jun 5, 2026

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4.9
Vector
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Exploitability: 0.5 / Impact: 4.0
Source: NVD

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.

Affected (2)

Libtom
1 product
Libtomcrypt
Trustedfirmware
1 product
Op Tee
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Libtomcrypt
Up to 1.18.1
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Op Tee
Up to 3.5.0

Related CWEs

CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (4)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
ExploitTechnical DescriptionThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitTechnical DescriptionThird Party Advisory

Timeline

No history available yet.