CVE-2018-19974 describes a vulnerability in YARA 3.8.1, specifically affecting the libyara/exec.c component, which is also used in VirusTotal YARA. A specially crafted compiled rule can lead to the reading of uninitialized data from the VM scratch memory, potentially allowing attackers to discover real stack addresses. This medium-severity vulnerability (CVSS 5.5) requires user interaction and local access, with a high impact on confidentiality but no impact on integrity or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.8.1CPE matchmatch criteria | cpe:2.3:a:virustotal:yara:3.8.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.