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.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | tar | 2023-03-17 15:53 | ALAS-2023-1704 |
Amazon Linux 2 - Core | tar | 2023-03-17 16:34 | ALAS2-2023-1994 |
Amazon Linux 2023 | tar | 2023-03-30 21:11 | ALAS2023-2023-153 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
NVD | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |