CVE-2018-12437
Medium
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.
SeverityMedium
CVSS4.9
Exploit probability—
ProductLibtomcrypt
PublishedJun 15, 2018
First seenJun 15, 2018
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libtom libtomcrypt | v ≤ 1.18.1 | — |
| trustedfirmware op-tee | v ≤ 3.5.0 | — |
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