CVE-2018-19976: Infoleak
Published Dec 17, 2018
·Updated
In YARA 3.8.1, bytecode in a specially crafted compiled rule is exposed to information about its environment, in libyara/exec.c. This is a consequence of the design of the YARA virtual machine.
Affected Software
1 affected component
VirusTotal yara=3.8.1
Event History
Dec 17, 2018
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2018-19976?
CVE-2018-19976 has been rated as a medium severity vulnerability.
2
How do I fix CVE-2018-19976?
To fix CVE-2018-19976, upgrade to a newer version of YARA that addresses the vulnerability.
3
What impact does CVE-2018-19976 have on my system?
CVE-2018-19976 may expose sensitive information about the environment to malicious bytecode in specially crafted YARA rules.
4
Which version of YARA is affected by CVE-2018-19976?
CVE-2018-19976 specifically affects YARA version 3.8.1.
5
Is there a workaround for CVE-2018-19976?
Currently, there are no known workarounds for CVE-2018-19976 besides upgrading to a patched version.