bitcoinjs tiny-secp256k1 up to 1.1.6 Global Buffer verify signature verification

Summaryinfo

A vulnerability, which was classified as critical, has been found in bitcoinjs tiny-secp256k1 up to 1.1.6. This issue affects the function verify of the component Global Buffer Handler. The manipulation leads to signature verification. This vulnerability is listed as CVE-2024-49365. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in bitcoinjs tiny-secp256k1 up to 1.1.6 and classified as critical. This issue affects the function verify of the component Global Buffer Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

tiny-secp256k1 is a tiny secp256k1 native/JS wrapper. Prior to version 1.1.7, a malicious JSON-stringifyable message can be made passing on verify(), when global Buffer is the buffer package. This affects only environments where require('buffer') is the NPM buffer package. Buffer.isBuffer check can be bypassed, resulting in strange objects being accepted as a message, and those messages could trick verify() into returning false-positive true values. This issue has been patched in version 1.1.7.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-49365 since 10/14/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.1.7 eliminates this vulnerability. Applying a patch 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.

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Productinfo

Vendor

• bitcoinjs

Name

• tiny-secp256k1

Version

• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6

Website

• Product: https://github.com/bitcoinjs/tiny-secp256k1/

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