#VU103456 Information disclosure in Go programming language - CVE-2024-45340

Vulnerability identifier: #VU103456

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-45340

CWE-ID: CWE-200

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 gain access to potentially sensitive information.

The vulnerability exists due to incorrect segmentation of credentials by domain names in the GOAUTH feature. A remote attacker can trick the client into connecting to a malicious server and obtain credentials stored in the users .netrc file.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.24 rc1

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External links
https://go.dev/cl/643097
https://go.dev/issue/71249
https://groups.google.com/g/golang-dev/c/CAWXhan3Jww/m/bk9LAa-lCgAJ
https://pkg.go.dev/vuln/GO-2025-3383

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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.