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amazonAmazonALAS-2019-1321
HistoryNov 19, 2019 - 5:31 p.m.

Medium: golang

2019-11-1917:31:00
alas.aws.amazon.com
26

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.01 Low

EPSS

Percentile

83.1%

Issue Overview:

It was discovered that net/http (through net/textproto) in golang does not correctly interpret HTTP requests where an HTTP header contains spaces before the colon. This could be abused by an attacker to smuggle HTTP requests when a proxy or a firewall is placed behind a server implemented in Go or to filter bypasses depending on the specific network configuration. (CVE-2019-16276)

Affected Packages:

golang

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

New Packages:

i686:  
    golang-bin-1.12.8-1.52.amzn1.i686  
    golang-1.12.8-1.52.amzn1.i686  
  
noarch:  
    golang-misc-1.12.8-1.52.amzn1.noarch  
    golang-src-1.12.8-1.52.amzn1.noarch  
    golang-tests-1.12.8-1.52.amzn1.noarch  
    golang-docs-1.12.8-1.52.amzn1.noarch  
  
src:  
    golang-1.12.8-1.52.amzn1.src  
  
x86_64:  
    golang-1.12.8-1.52.amzn1.x86_64  
    golang-race-1.12.8-1.52.amzn1.x86_64  
    golang-bin-1.12.8-1.52.amzn1.x86_64  

Additional References

Red Hat: CVE-2019-16276

Mitre: CVE-2019-16276

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.01 Low

EPSS

Percentile

83.1%