CVE-2018-12434 is a memory-cache side-channel vulnerability, also known as ROHNP, affecting LibreSSL versions before 2.6.5 and 2.7.x before 2.7.4, specifically impacting DSA and ECDSA signatures. This vulnerability has a CVSS score of 4.7 (Medium), requiring local or same-host virtual machine access with high attack complexity to achieve high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating low current threat visibility.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.6.5CPE matchmatch criteria | cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* | ||
2.7.0CPE matchmatch criteria | cpe:2.3:a:openbsd:libressl:2.7.0:*:*:*:*:*:*:* | ||
2.7.1CPE matchmatch criteria | cpe:2.3:a:openbsd:libressl:2.7.1:*:*:*:*:*:*:* | ||
2.7.2CPE matchmatch criteria | cpe:2.3:a:openbsd:libressl:2.7.2:*:*:*:*:*:*:* | ||
2.7.3CPE matchmatch criteria | cpe:2.3:a:openbsd:libressl:2.7.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.