ALAS-2019-1270


Amazon Linux AMI Security Advisory: ALAS-2019-1270
Advisory Release Date: 2019-10-02 23:03 Pacific
Severity: Important

Issue Overview:

net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This is related to a Host field with a suffix appearing in neither Hostname() nor Port(), and is related to a non-numeric port number. For example, an attacker can compose a crafted javascript:// URL that results in a hostname of google.com. (CVE-2019-14809 )

Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.(CVE-2019-9512 )

Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depending on how the peer queues the RST_STREAM frames, this can consume excess memory, CPU, or both.(CVE-2019-9514 )


Affected Packages:

golang


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

New Packages:
i686:
    golang-1.12.8-1.51.amzn1.i686
    golang-bin-1.12.8-1.51.amzn1.i686

noarch:
    golang-src-1.12.8-1.51.amzn1.noarch
    golang-tests-1.12.8-1.51.amzn1.noarch
    golang-docs-1.12.8-1.51.amzn1.noarch
    golang-misc-1.12.8-1.51.amzn1.noarch

src:
    golang-1.12.8-1.51.amzn1.src

x86_64:
    golang-race-1.12.8-1.51.amzn1.x86_64
    golang-bin-1.12.8-1.51.amzn1.x86_64
    golang-1.12.8-1.51.amzn1.x86_64