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amazonAmazonALAS2-2022-1851
HistorySep 30, 2022 - 7:04 a.m.

Medium: golang

2022-09-3007:04:00
alas.aws.amazon.com
24
golang
denial of service
http/2 connection hang

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

8

Confidence

High

EPSS

0.002

Percentile

62.1%

Issue Overview:

In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error. (CVE-2022-27664)

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-1.18.6-1.amzn2.aarch64  
    golang-bin-1.18.6-1.amzn2.aarch64  
    golang-shared-1.18.6-1.amzn2.aarch64  
  
noarch:  
    golang-docs-1.18.6-1.amzn2.noarch  
    golang-misc-1.18.6-1.amzn2.noarch  
    golang-tests-1.18.6-1.amzn2.noarch  
    golang-src-1.18.6-1.amzn2.noarch  
  
src:  
    golang-1.18.6-1.amzn2.src  
  
x86_64:  
    golang-1.18.6-1.amzn2.x86_64  
    golang-bin-1.18.6-1.amzn2.x86_64  
    golang-shared-1.18.6-1.amzn2.x86_64  
    golang-race-1.18.6-1.amzn2.x86_64  

Additional References

Red Hat: CVE-2022-27664

Mitre: CVE-2022-27664

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

8

Confidence

High

EPSS

0.002

Percentile

62.1%