ALAS2-2018-1104

Related Vulnerabilities: CVE-2018-11763  

In Apache HTTP Server, 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.(CVE-2018-11763)

ALAS2-2018-1104


Amazon Linux 2 Security Advisory: ALAS-2018-1104
Advisory Release Date: 2018-11-07 22:11 Pacific
Advisory Updated Date: 2018-11-08 23:43 Pacific
Severity: Medium
References: CVE-2018-11763 

Issue Overview:

In Apache HTTP Server, 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 h4 protocol.(CVE-2018-11763)


Affected Packages:

mod_http2


Issue Correction:
Run yum update mod_http2 to update your system.

New Packages:
i686:
    mod_http2-1.11.1-1.amzn2.i686
    mod_http2-debuginfo-1.11.1-1.amzn2.i686

src:
    mod_http2-1.11.1-1.amzn2.src

x86_64:
    mod_http2-1.11.1-1.amzn2.x86_64
    mod_http2-debuginfo-1.11.1-1.amzn2.x86_64