#VU103457 Input validation error in Go programming language - CVE-2024-45341

Vulnerability identifier: #VU103457

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-45341

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect handling of URI name constraint in certificate chains. A remote attacker can create a certificate with a URI, which has a IPv6 address with a zone ID, and bypass URI name checks.

The vulnerability affects users of private PKIs which make use of URIs.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.22.0 - 1.24 rc1

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External links
https://go.dev/cl/643099
https://go.dev/issue/71156
https://groups.google.com/g/golang-dev/c/bG8cv1muIBM/m/G461hA6lCgAJ
https://groups.google.com/g/golang-dev/c/CAWXhan3Jww/m/bk9LAa-lCgAJ
https://pkg.go.dev/vuln/GO-2025-3373

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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.