Amazon Linux AMI update for golang

1) Improper Neutralization of HTTP Headers for Scripting Syntax

EUVDB-ID: #VU78327

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-29406

CWE-ID: CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to improper input validation in HTTP/1 client when handling HTTP Host header. A remote non-authenticated attacker can send a specially crafted HTTP request with a maliciously crafted Host header and inject additional headers or entire requests.

Successful exploitation of the vulnerability may allow an attacker to perform cross-site scripting, cache poisoning or session hijacking attacks.

Mitigation

Update the affected packages:

aarch64:
    golang-bin-1.20.6-1.amzn2023.0.1.aarch64
    golang-shared-1.20.6-1.amzn2023.0.1.aarch64
    golang-1.20.6-1.amzn2023.0.1.aarch64

noarch:
    golang-docs-1.20.6-1.amzn2023.0.1.noarch
    golang-misc-1.20.6-1.amzn2023.0.1.noarch
    golang-src-1.20.6-1.amzn2023.0.1.noarch
    golang-tests-1.20.6-1.amzn2023.0.1.noarch

src:
    golang-1.20.6-1.amzn2023.0.1.src

x86_64:
    golang-shared-1.20.6-1.amzn2023.0.1.x86_64
    golang-bin-1.20.6-1.amzn2023.0.1.x86_64
    golang-1.20.6-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

golang: before 1.20.6-1

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:o:amazon_web_services:golang:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-283.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.