Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2018-11763: In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol. 1633399: CVE-2018-11763 httpd: DoS for HTTP/2 connections by continuous SETTINGS frames 1633399: CVE-2018-11763 httpd: DoS for HTTP/2 connections by continuous SETTINGS
Fixed packages 11
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | httpd | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-debuginfo | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-devel | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-filesystem | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-manual | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-tools | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_ldap | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_md | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_proxy_html | 1:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_session | 0:2.4.37-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_ssl | 1:2.4.37-1.amzn2.0.1 |
Vulnerabilities 1
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Unscored —CVE-2018-11763 EPSS 51%
In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, …
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2018-11763.html