CVE-2018-12437
MEDIUM4.9EPSS 0.08%Published: 6/15/2018Modified: 4/28/2026
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 packages (1)
- Debian/libtomcryptfrom 0, < 1.18.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.9 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |