#VU97216 Resource exhaustion in Go programming language - CVE-2024-34156

Vulnerability identifier: #VU97216

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-34156

CWE-ID: CWE-400

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 perform a denial of service (DoS) attack.

The vulnerability exists due to encoding/gob does not properly control consumption of internal resources when calling Decoder.Decode. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Note, this vulnerability is related to #VU66068 (CVE-2024-34156).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.22.0 - 1.23.0

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External links
http://go.dev/cl/611239
http://go.dev/issue/69139
http://groups.google.com/g/golang-dev/c/S9POB9NCTdk
http://pkg.go.dev/vuln/GO-2024-3106

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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.