CVE-2022-41717
Public on 2022-12-08
Modified on 2024-04-08
Description
An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | golang | 2023-04-13 | ALAS-2023-1731 | Fixed |
| Amazon Linux 1 | golang | 2023-09-27 | ALAS-2023-1848 | Fixed |
| Amazon Linux 2 - Core | golang | 2023-01-30 | ALAS2-2023-1926 | Fixed |
| Amazon Linux 2 - Golang1.19 Extra | golang | 2023-08-07 | ALAS2GOLANG1.19-2023-002 | Fixed |
| Amazon Linux 2023 | golang | 2023-04-27 | ALAS2023-2023-175 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |