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Amazon Linux AMI 2: CVE-2022-48303: Security patch for tar (ALAS-2023-1994)

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Amazon Linux AMI 2: CVE-2022-48303: Security patch for tar (ALAS-2023-1994)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/30/2023
Created
03/23/2023
Added
03/22/2023
Modified
06/01/2023

Description

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.

Solution(s)

  • amazon-linux-ami-2-upgrade-tar
  • amazon-linux-ami-2-upgrade-tar-debuginfo

References

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