CVE-2024-53269: envoy — Exploit & Fix

Description

Envoy is a cloud-native high-performance edge/middle/service proxy. When additional address are not ip addresses, then the Happy Eyeballs sorting algorithm will crash in data plane. This issue has been addressed in releases 1.32.2, 1.31.4, and 1.30.8. Users are advised to upgrade. Users unable to upgrade may disable Happy Eyeballs and/or change the IP configuration.

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CVSS v3.1 Score

4.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-670 CWE-670

Affected Products

Vendor	Product	Versions
envoyproxy	envoy	1.30.0 — 1.30.8
envoyproxy	envoy	1.31.0 — 1.31.4
envoyproxy	envoy	1.32.0 — 1.32.2

References

Advisories & Patches

https://github.com/envoyproxy/envoy/pull/37743/commits/3f62168d86aceb90f743f63b50cc711710b1c401

Exploits

https://github.com/envoyproxy/envoy/security/advisories/GHSA-mfqp-7mmj-rm53 https://github.com/envoyproxy/envoy/security/advisories/GHSA-mfqp-7mmj-rm53

Frequently Asked Questions

What is CVE-2024-53269? +

Envoy is a cloud-native high-performance edge/middle/service proxy. When additional address are not ip addresses, then the Happy Eyeballs sorting algorithm will crash in data plane. This issue has been addressed in releases 1.32.2, 1.31.4, and 1.30.8. Users are advised to upgrade. Users unable to upgrade may disable Happy Eyeballs and/or change the IP configuration. It has a CVSS v3.1 base score of 4.5 (MEDIUM).

How severe is CVE-2024-53269? +

CVE-2024-53269 has a CVSS v3.1 score of 4.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-53269? +

CVE-2024-53269 affects products from envoyproxy, specifically: envoy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-53269? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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