Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2018-19974 Details

Description

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read uninitialized data from VM scratch memory in libyara/exec.c. This can allow attackers to discover addresses in the real stack (not the YARA virtual stack).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bnbdr.github.io/posts/extracheese/ CVEExploitThird Party Advisory
https://github.com/bnbdr/swisscheese/ CVEExploitThird Party Advisory
https://github.com/VirusTotal/yara/issues/999 CVEExploitIssue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/ CVE
https://bnbdr.github.io/posts/extracheese/ [email protected]ExploitThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-908Use of Uninitialized Resource[email protected]

Affected Products

ProductVersions
virustotal yara
3.8.1

CPE

  • cpe:2.3:a:virustotal:yara:3.8.1:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-19974
NVD Published Date:
Dec 17, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-19974 Details - Not Deferred