CVE-2023-44487
Public on 2023-10-10
Modified on 2024-03-28
Description
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2023 | dotnet6.0 | 2023-10-16 | ALAS2023-2023-389 | Fixed |
| Amazon Linux 2 - Ecs Extra | ecs-service-connect-agent | 2023-10-31 | ALAS2ECS-2023-016 | Fixed |
| Amazon Linux 2023 | ecs-service-connect-agent | 2023-10-30 | ALAS2023-2023-420 | Fixed |
| Amazon Linux 1 | golang | 2023-10-16 | ALAS-2023-1871 | Fixed |
| Amazon Linux 2 - Core | golang | 2023-10-16 | ALAS2-2023-2313 | Fixed |
| Amazon Linux 2023 | golang | 2023-10-16 | ALAS2023-2023-394 | Fixed |
| Amazon Linux 2023 | grpc | 2024-01-03 | ALAS2023-2024-474 | Fixed |
| Amazon Linux 1 | nghttp2 | 2023-10-16 | ALAS-2023-1869 | Fixed |
| Amazon Linux 2 - Core | nghttp2 | 2023-10-16 | ALAS2-2023-2312 | Fixed |
| Amazon Linux 2023 | nghttp2 | 2023-10-16 | ALAS2023-2023-392 | Fixed |
| Amazon Linux 1 | nginx | 2023-10-16 | ALAS-2023-1870 | Fixed |
| Amazon Linux 2 - Nginx1 Extra | nginx | 2023-10-16 | ALAS2NGINX1-2023-006 | Fixed |
| Amazon Linux 2023 | nginx | 2023-10-16 | ALAS2023-2023-393 | Fixed |
| Amazon Linux 2023 | nodejs | 2023-10-16 | ALAS2023-2023-391 | Fixed |
| Amazon Linux 2 - Core | tomcat | Not Affected | ||
| Amazon Linux 2 - Tomcat8.5 Extra | tomcat | 2023-10-16 | ALAS2TOMCAT8.5-2023-016 | Fixed |
| Amazon Linux 2 - Tomcat9 Extra | tomcat | 2023-10-16 | ALAS2TOMCAT9-2023-010 | Fixed |
| Amazon Linux 1 | tomcat8 | 2023-10-16 | ALAS-2023-1868 | Fixed |
| Amazon Linux 2023 | tomcat9 | 2023-10-16 | ALAS2023-2023-390 | 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 | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |