CVE-2018-12437

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.

CVSS v3 4.9 MEDIUM
CVSS v2.0 1.9 LOW

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 4.0

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

1.9^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 3.4 / Impact : 2.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://security.gentoo.org/glsa/202007-53	Third Party Advisory
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/	Exploit Technical Description Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:linaro:op-tee:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-06-15 02:29

Updated : 2024-02-28 16:25

NVD link : CVE-2018-12437

Mitre link : CVE-2018-12437

CVE.ORG link : CVE-2018-12437

JSON object : View

Products Affected

libtom

libtomcrypt

linaro

op-tee

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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