Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Physical
0

CVE-2018-12437

Disclosure Date: June 15, 2018
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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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CVSS V3 Severity and Metrics
Base Score:
4.9 Medium
Impact Score:
4
Exploitability Score:
0.5
Vector:
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack Vector (AV):
Physical
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None

General Information

Vendors

  • libtom,
  • linaro

Products

  • libtomcrypt,
  • op-tee

Additional Info

Technical Analysis