What is CVE-2022-23486?

CVE-2022-23486 is a vulnerability in the libp2p-rust library that allows an attacker node to exhaust a victim node's memory resources.

What is the severity of CVE-2022-23486?

The severity of CVE-2022-23486 is high with a CVSS score of 7.5.

How does CVE-2022-23486 affect libp2p-rust?

CVE-2022-23486 affects versions of libp2p-rust prior to 0.45.1.

How can I mitigate CVE-2022-23486?

To mitigate CVE-2022-23486, users should update to version 0.45.1 or above of libp2p-rust.

Vulnerability/
CVE-2022-23486

high

7.5

CWE

770 400

7/12/2022

3/8/2024

CVE-2022-23486: libp2p-rust denial of service vulnerability from lack of resource management

Q: How can an attacker exploit CVE-2022-23486?

An attacker node can exploit CVE-2022-23486 by causing a victim node to allocate a large number of small memory chunks, which can lead to the victim's process running out of memory.

First published: Wed Dec 07 2022(Updated: )

libp2p-rust is the official rust language Implementation of the libp2p networking stack. In versions prior to 0.45.1 an attacker node can cause a victim node to allocate a large number of small memory chunks, which can ultimately lead to the victim’s process running out of memory and thus getting killed by its operating system. When executed continuously, this can lead to a denial of service attack, especially relevant on a larger scale when run against more than one node of a libp2p based network. Users are advised to upgrade to `libp2p` `v0.45.1` or above. Users unable to upgrade should reference the DoS Mitigation page for more information on how to incorporate mitigation strategies, monitor their application, and respond to attacks: https://docs.libp2p.io/reference/dos-mitigation/.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Libp2p	<0.45.1

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Reference Links

https://github.com/libp2p/rust-libp2p/security/advisories/GHSA-jvgw-gccv-q5p8

Frequently Asked Questions

What is CVE-2022-23486?
CVE-2022-23486 is a vulnerability in the libp2p-rust library that allows an attacker node to exhaust a victim node's memory resources.
What is the severity of CVE-2022-23486?
The severity of CVE-2022-23486 is high with a CVSS score of 7.5.
How does CVE-2022-23486 affect libp2p-rust?
CVE-2022-23486 affects versions of libp2p-rust prior to 0.45.1.
How can an attacker exploit CVE-2022-23486?
An attacker node can exploit CVE-2022-23486 by causing a victim node to allocate a large number of small memory chunks, which can lead to the victim's process running out of memory.
How can I mitigate CVE-2022-23486?
To mitigate CVE-2022-23486, users should update to version 0.45.1 or above of libp2p-rust.

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