CVE-2021-3402

An integer overflow and several buffer overflow reads in libyara/modules/macho/macho.c in YARA v4.0.3 and earlier could allow an attacker to either cause denial of service or information disclosure via a malicious Mach-O file. Affects all versions before libyara 4.0.4
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
virustotalyara
𝑥
< 4.0.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
yara
bullseye
4.0.5-1
fixed
buster
no-dsa
stretch
postponed
bookworm
4.2.3-4
fixed
sid
4.5.2-1
fixed
trixie
4.5.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
yara
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1930175
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/
https://www.openwall.com/lists/oss-security/2021/01/29/2
https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/
https://bugzilla.redhat.com/show_bug.cgi?id=1930175
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/
https://www.openwall.com/lists/oss-security/2021/01/29/2
https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/