#VU82816 Allocation of Resources Without Limits or Throttling in go-libp2p - CVE-2023-39533

Vulnerability identifier: #VU82816

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-2023-39533

CWE-ID: CWE-770

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
go-libp2p
Universal components / Libraries / Programming Languages & Components

Vendor: libp2p

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

go-libp2p: 0.27.0 - 0.29.0

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External links
https://github.com/libp2p/go-libp2p/commit/e30fcf7dfd4715ed89a5e68d7a4f774d3b9aa92d
https://github.com/libp2p/go-libp2p/pull/2454
https://github.com/quic-go/quic-go/pull/4012
https://github.com/libp2p/go-libp2p/security/advisories/GHSA-876p-8259-xjgg
https://github.com/libp2p/go-libp2p/commit/0cce607219f3710addc7e18672cffd1f1d912fbb
https://github.com/golang/go/commit/2350afd2e8ab054390e284c95d5b089c142db017
https://github.com/golang/go/issues/61460
https://github.com/libp2p/go-libp2p/commit/445be526aea4ee0b1fa5388aa65d32b2816d3a00

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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.