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CVE-2024-24560

3.7 · LOW

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine.

Published Feb 2, 2024CWE-119EPSS 0.53%

Overview

CVE-2024-24560 is a low-severity vulnerability. It was published on February 2, 2024 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine. When calls to external contracts are made, we write the input buffer starting at byte 28, and allocate the return buffer to start at byte 0 (overlapping with the input buffer). When checking RETURNDATASIZE for dynamic types, the size is compared only to the minimum allowed size for that type, and not to the returned value's length. As a result, malformed return data can cause the contract to mistake data from the input buffer for returndata. When the called contract returns invalid ABIv2 encoded data, the calling contract can read different invalid data (from the dirty buffer) than the called contract returned.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/vyperlang/vyper/security/advisories/GHSA-gp3w-2v2m-p686GitHubgithub.com/vyperlang/vyper/security/advisories/GHSA-gp3w-2v2m-p686

How CyberStrike helps

Frequently asked questions

What is CVE-2024-24560?

CVE-2024-24560 is a low-severity vulnerability. It was published on February 2, 2024 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2024-24560?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-24560?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-24560?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-24560 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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