CVE-2017-5923

EUVD-2017-14998
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 yara_yyparse function.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
Affected Products (NVD)
VendorProductVersion
virustotalyara
3.5.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
yara
bookworm
4.2.3-4
fixed
bullseye
4.0.5-1
fixed
sid
4.5.2-1
fixed
trixie
4.5.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
yara
artful
ignored
bionic
not-affected
cosmic
not-affected
disco
not-affected
eoan
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
precise
dne
trusty
dne
xenial
needed
yakkety
ignored
zesty
ignored
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/98080
https://github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc636
https://github.com/VirusTotal/yara/issues/597
http://www.securityfocus.com/bid/98080
https://github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc636
https://github.com/VirusTotal/yara/issues/597