CVE-2021-33643

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 75.01%
Affected Products (NVD)
VendorProductVersion
feeplibtar
𝑥
< 1.2.21
openatomopeneuler
20.03:sp1
openatomopeneuler
20.03:sp3
openatomopeneuler
22.03
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libtar
bookworm
1.2.20-8+deb12u1
fixed
bullseye
vulnerable
bullseye (security)
1.2.20-8+deb12u1~deb11u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libtar
bionic
Fixed 1.2.20-7ubuntu0.1~esm1
released
focal
Fixed 1.2.20-8ubuntu0.20.04.1
released
jammy
Fixed 1.2.20-8ubuntu0.22.04.1
released
noble
Fixed 1.2.20-8.1ubuntu0.24.04.1
released
oracular
Fixed 1.2.20-8.1ubuntu0.24.10.1
released
plucky
dne
xenial
Fixed 1.2.20-4ubuntu0.1~esm1
released
Azure Linux logo
Azure Linux Releases
Azure Package
Release
libtar
Azure Linux 3.0
0:1.2.20-11.azl3
fixed
CBL-Mariner 1.0
0:1.2.20-10.cm1
fixed
CBL-Mariner 2.0
0:1.2.20-10.cm2
fixed
Common Weakness Enumeration
References
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/
https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807
https://lists.debian.org/debian-lts-announce/2025/01/msg00026.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/
https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807