2.6 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
6.8 Medium
AI Score
Confidence
High
0.009 Low
EPSS
Percentile
82.3%
Issue Overview:
A vulnerability was found in net/http of the Go standard library when parsing very large HTTP header values, causing a crash and subsequent denial of service. This vulnerability affects both clients and servers written in Go, however servers are only vulnerable if the default 1 MB value for MaxHeaderBytes is increased. (CVE-2021-31525)
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-1.15.12-1.amzn2.0.1.aarch64
golang-bin-1.15.12-1.amzn2.0.1.aarch64
noarch:
golang-docs-1.15.12-1.amzn2.0.1.noarch
golang-misc-1.15.12-1.amzn2.0.1.noarch
golang-tests-1.15.12-1.amzn2.0.1.noarch
golang-src-1.15.12-1.amzn2.0.1.noarch
src:
golang-1.15.12-1.amzn2.0.1.src
x86_64:
golang-1.15.12-1.amzn2.0.1.x86_64
golang-bin-1.15.12-1.amzn2.0.1.x86_64
golang-race-1.15.12-1.amzn2.0.1.x86_64
Red Hat: CVE-2021-31525
Mitre: CVE-2021-31525
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | golang | < 1.15.12-1.amzn2.0.1 | golang-1.15.12-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | golang-bin | < 1.15.12-1.amzn2.0.1 | golang-bin-1.15.12-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | noarch | golang-docs | < 1.15.12-1.amzn2.0.1 | golang-docs-1.15.12-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | noarch | golang-misc | < 1.15.12-1.amzn2.0.1 | golang-misc-1.15.12-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | noarch | golang-tests | < 1.15.12-1.amzn2.0.1 | golang-tests-1.15.12-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | noarch | golang-src | < 1.15.12-1.amzn2.0.1 | golang-src-1.15.12-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | x86_64 | golang | < 1.15.12-1.amzn2.0.1 | golang-1.15.12-1.amzn2.0.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | golang-bin | < 1.15.12-1.amzn2.0.1 | golang-bin-1.15.12-1.amzn2.0.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | golang-race | < 1.15.12-1.amzn2.0.1 | golang-race-1.15.12-1.amzn2.0.1.x86_64.rpm |
2.6 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
6.8 Medium
AI Score
Confidence
High
0.009 Low
EPSS
Percentile
82.3%