CVE-2017-5923: High severity VirusTotal yara vulnerability
Published Apr 3, 2017
·Updated
libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yarayyparse function.
Affected Software
1 affected component
VirusTotal yara=3.5.0
Remediation
Patch Available
Event History
Apr 3, 2017
CVE Published
via MITRE·05:44 AM
Data Sourced
via MITRE·05:44 AM
Description
Data Sourced
via NVD·05:59 AM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2017-5923?
CVE-2017-5923 is categorized as a denial of service vulnerability due to its potential to crash the application.
2
How do I fix CVE-2017-5923?
To resolve CVE-2017-5923, update YARA to a version later than 3.5.0 in which the vulnerability has been addressed.
3
Which versions of YARA are affected by CVE-2017-5923?
CVE-2017-5923 specifically affects YARA version 3.5.0.
4
What can exploit CVE-2017-5923?
CVE-2017-5923 can be exploited through crafted rules that trigger mishandling in the yara_yyparse function.
5
What are the consequences of CVE-2017-5923?
Exploitation of CVE-2017-5923 can lead to a heap-based out-of-bounds read, resulting in an application crash.