CVE-2018-12434 — Sensitive Information Exposure in Libressl
Severity
4.7MEDIUMNVD
EPSS
0.1%
top 64.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 15
Latest updateMay 14
Description
LibreSSL before 2.6.5 and 2.7.x before 2.7.4 allows a memory-cache side-channel attack on DSA and ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover a key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.0 | Impact: 3.6