CVE-2021-33643

Name
CVE-2021-33643
Description
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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807
securities@openeuler.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
securities@openeuler.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/
securities@openeuler.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/
securities@openeuler.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
securities@openeuler.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2025/01/msg00026.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:* libtar >= None < 1.2.21

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
libtar 3.18-community 1.2.20-r0 Maarten van Gompel <proycon@anaproy.nl> possibly vulnerable
libtar 3.17-community 1.2.20-r0 Maarten van Gompel <proycon@anaproy.nl> possibly vulnerable