CVE-2019-5020

EUVD-2019-14627
An exploitable denial of service vulnerability exists in the object lookup functionality of Yara 3.8.1. A specially crafted binary file can cause a negative value to be read to satisfy an assert, resulting in Denial of Service. An attacker can create a malicious binary to trigger this vulnerability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
talosCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 51%
Affected Products (NVD)
VendorProductVersion
virustotalyara
3.8.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
yara
bookworm
4.2.3-4
fixed
bullseye
4.0.5-1
fixed
jessie
not-affected
sid
4.5.2-1
fixed
stretch
not-affected
trixie
4.5.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
yara
bionic
not-affected
disco
ignored
eoan
Fixed 3.9.0-1
released
trusty
dne
xenial
not-affected