by Kastro CVE-2021-33643
openEuler — 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 variab…
Description · from the CVE record
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.
Affected
ProductAffectedFixed inSource
libtar<1.2.21–CNA
Scores by source
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA ADP6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial