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

published June 15, 2018

CVSS
—
EPSS
1%
Percentile
44.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00540 · 44.7th percentile
Published
2018-06-15T02:00Z
EPSS history
Timeline
  • 15 JUN 02:00Z
    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
    cvelistv5