Boxo 0.4.0/0.5.0 allocation of resources

Summaryinfo

A vulnerability was found in Boxo 0.4.0/0.5.0 and classified as problematic. Impacted is an unknown function. Such manipulation leads to allocation of resources. This vulnerability is documented as CVE-2023-25568. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Boxo 0.4.0/0.5.0 and classified as problematic. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. CVE summarizes:

Boxo, formerly known as go-libipfs, is a library for building IPFS applications and implementations. In versions 0.4.0 and 0.5.0, if an attacker is able allocate arbitrary many bytes in the Bitswap server, those allocations are lasting even if the connection is closed. This affects users accepting untrusted connections with the Bitswap server and also affects users using the old API stubs at `github.com/ipfs/go-libipfs/bitswap` because users then transitively import `github.com/ipfs/go-libipfs/bitswap/server`. Boxo versions 0.6.0 and 0.4.1 contain a patch for this issue. As a workaround, those who are using the stub object at `github.com/ipfs/go-libipfs/bitswap` not taking advantage of the features provided by the server can refactor their code to use the new split API that will allow them to run in a client only mode: `github.com/ipfs/go-libipfs/bitswap/client`.

The weakness was released 05/10/2023 as GHSA-m974-xj4j-7qv5. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-25568 since 02/07/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 0.4.1 or 0.6.0 eliminates this vulnerability. Applying the patch 62cbac40b96f49e39cd7fedc77ee6b56adce4916 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-1578). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• Boxo

Version

• 0.4.0
• 0.5.0

License

• open-source

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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