CVE-2022-37434
Public on 2022-08-05
Modified on 2024-02-03
Description
zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | rsync | No Fix Planned | ||
| Amazon Linux 2 - Core | rsync | 2023-06-05 | ALAS2-2023-2074 | Fixed |
| Amazon Linux 2023 | rsync | 2023-02-17 | ALAS2023-2023-002 | Fixed |
| Amazon Linux 1 | zlib | 2022-12-01 | ALAS-2022-1650 | Fixed |
| Amazon Linux 2 - Core | zlib | 2022-09-15 | ALAS2-2022-1849 | Fixed |
| Amazon Linux 2023 | zlib | 2023-02-17 | ALAS2023-2023-003 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H |
| NVD | CVSSv3 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |