CVE-2019-20907
Public on 2020-07-13
Modified on 2024-03-27
Description
A flaw was found in python. In Lib/tarfile.py an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | python | 2020-09-01 | ALAS2-2020-1483 | Fixed |
| Amazon Linux 1 | python27 | 2020-08-27 | ALAS-2020-1427 | Fixed |
| Amazon Linux 2 - Core | python3 | 2020-09-01 | ALAS2-2020-1484 | Fixed |
| Amazon Linux 2023 | python3.9 | Not Affected | ||
| Amazon Linux 1 | python34 | 2020-08-27 | ALAS-2020-1429 | Fixed |
| Amazon Linux 1 | python34 | 2020-09-03 | ALAS-2020-1432 | Fixed |
| Amazon Linux 1 | python35 | 2020-08-27 | ALAS-2020-1429 | Fixed |
| Amazon Linux 1 | python35 | 2020-09-03 | ALAS-2020-1432 | Fixed |
| Amazon Linux 1 | python36 | 2020-08-27 | ALAS-2020-1428 | Fixed |
| Amazon Linux 1 | python36 | 2020-09-03 | ALAS-2020-1432 | Fixed |
| Amazon Linux 2 - Python3.8 Extra | python38 | 2023-08-21 | ALAS2PYTHON3.8-2023-008 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |