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
high
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

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 3.16-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
libtar 3.18-community 1.2.20-r0 Maarten van Gompel <proycon@anaproy.nl> possibly vulnerable