Amazon Linux AMI update for golang

Published: 2025-02-19

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-39318 CVE-2023-39319
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Amazon Linux AMI Operating systems & Components / Operating system golang Operating systems & Components / Operating system package or component
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU80572

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39318

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the html/template package when handling HMTL-like "" comment tokens, nor hashbang "#!" comment tokens, in <script> contexts. A remote attacker can pass specially crafted input to the application and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation

Update the affected packages:

aarch64:
    golang-1.20.8-1.amzn2023.0.1.aarch64
    golang-bin-1.20.8-1.amzn2023.0.1.aarch64
    golang-shared-1.20.8-1.amzn2023.0.1.aarch64

noarch:
    golang-docs-1.20.8-1.amzn2023.0.1.noarch
    golang-misc-1.20.8-1.amzn2023.0.1.noarch
    golang-src-1.20.8-1.amzn2023.0.1.noarch
    golang-tests-1.20.8-1.amzn2023.0.1.noarch

src:
    golang-1.20.8-1.amzn2023.0.1.src

x86_64:
    golang-bin-1.20.8-1.amzn2023.0.1.x86_64
    golang-1.20.8-1.amzn2023.0.1.x86_64
    golang-shared-1.20.8-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

golang: before 1.20.8-1.47

CPE2.3

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-367.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.

2) Cross-site scripting

EUVDB-ID: #VU80573