Amazon Linux 2 Security Advisory: ALAS-2023-1926
Advisory Release Date: 2023-01-30 16:02 Pacific
Advisory Updated Date: 2023-02-04 18:28 Pacific
Severity:
Medium
Issue Overview:
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. (CVE-2022-41717)
Affected Packages:
golang
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update golang to update your system.
New Packages:
aarch64:
golang-1.18.9-1.amzn2.0.1.aarch64
golang-bin-1.18.9-1.amzn2.0.1.aarch64
golang-shared-1.18.9-1.amzn2.0.1.aarch64
noarch:
golang-docs-1.18.9-1.amzn2.0.1.noarch
golang-misc-1.18.9-1.amzn2.0.1.noarch
golang-tests-1.18.9-1.amzn2.0.1.noarch
golang-src-1.18.9-1.amzn2.0.1.noarch
src:
golang-1.18.9-1.amzn2.0.1.src
x86_64:
golang-1.18.9-1.amzn2.0.1.x86_64
golang-bin-1.18.9-1.amzn2.0.1.x86_64
golang-shared-1.18.9-1.amzn2.0.1.x86_64
golang-race-1.18.9-1.amzn2.0.1.x86_64