ALAS2-2019-1272

Related Vulnerabilities: CVE-2019-9512   CVE-2019-9514  

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)

ALAS2-2019-1272


Amazon Linux 2 Security Advisory: ALAS-2019-1272
Advisory Release Date: 2019-08-23 03:20 Pacific
Advisory Updated Date: 2019-08-27 21:53 Pacific
Severity: Important

Issue Overview:

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:
aarch64:
    golang-1.9.4-3.amzn2.0.2.aarch64
    golang-bin-1.9.4-3.amzn2.0.2.aarch64

noarch:
    golang-docs-1.9.4-3.amzn2.0.2.noarch
    golang-misc-1.9.4-3.amzn2.0.2.noarch
    golang-tests-1.9.4-3.amzn2.0.2.noarch
    golang-src-1.9.4-3.amzn2.0.2.noarch

src:
    golang-1.9.4-3.amzn2.0.2.src

x86_64:
    golang-1.9.4-3.amzn2.0.2.x86_64
    golang-bin-1.9.4-3.amzn2.0.2.x86_64