CVE-2021-4217
Public on 2022-08-24
Modified on 2024-02-12
Description
A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | unzip | No Fix Planned | ||
| Amazon Linux 2 - Core | unzip | 2023-01-18 | ALAS2-2023-1906 | Fixed |
| Amazon Linux 2023 | unzip | 2023-02-17 | ALAS2023-2023-029 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | CVSSv3 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |