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Red Hat: CVE-2021-33643: out-of-bounds read in gnu_longlink (Multiple Advisories)

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Red Hat: CVE-2021-33643: out-of-bounds read in gnu_longlink (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/10/2022
Created
05/17/2023
Added
05/17/2023
Modified
12/15/2023

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.

Solution(s)

  • redhat-upgrade-libtar
  • redhat-upgrade-libtar-debuginfo
  • redhat-upgrade-libtar-debugsource

References

  • CVE-2021-33643
  • RHSA-2023:2898

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