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CVE-2024-27936

8.8 · HIGH

Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults.

Published Mar 21, 2024CWE-150EPSS 0.94%

Overview

CVE-2024-27936 is a high-severity vulnerability. It was published on March 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. Starting in version 1.32.1 and prior to version 1.41.0 of the deno library, maliciously crafted permission request can show the spoofed permission prompt by inserting a broken ANSI escape sequence into the request contents. Deno is stripping any ANSI escape sequences from the permission prompt, but permissions given to the program are based on the contents that contain the ANSI escape sequences. Any Deno program can spoof the content of the interactive permission prompt by inserting a broken ANSI code, which allows a malicious Deno program to display the wrong file path or program name to the user. Version 1.41.0 of the deno library contains a patch for the issue.

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/denoland/deno/commit/78d430103a8f6931154ddbbe19d36f3b8630286dGitHubgithub.com/denoland/deno/commit/7e6b94231290020b55f1d08fb03ea8132781abc5GitHubgithub.com/denoland/deno/security/advisories/GHSA-m4pq-fv2w-6hrwGitHubgithub.com/denoland/deno/commit/78d430103a8f6931154ddbbe19d36f3b8630286dGitHubgithub.com/denoland/deno/commit/7e6b94231290020b55f1d08fb03ea8132781abc5GitHubgithub.com/denoland/deno/security/advisories/GHSA-m4pq-fv2w-6hrw

How CyberStrike helps

Frequently asked questions

What is CVE-2024-27936?

CVE-2024-27936 is a high-severity vulnerability. It was published on March 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-27936?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-27936?

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-2024-27936?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-27936 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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