CVE-2024-34363

Description

Envoy is a cloud-native, open source edge and service proxy. Due to how Envoy invoked the nlohmann JSON library, the library could throw an uncaught exception from downstream data if incomplete UTF-8 strings were serialized. The uncaught exception would cause Envoy to crash.

CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-248 CWE-248

Affected Products

Vendor	Product	Versions
envoyproxy	envoy	1.28.0 — 1.28.4
envoyproxy	envoy	1.29.0 — 1.29.5
envoyproxy	envoy	1.30.0 — 1.30.2

References

Exploits

https://github.com/envoyproxy/envoy/security/advisories/GHSA-g979-ph9j-5gg4 https://github.com/envoyproxy/envoy/security/advisories/GHSA-g979-ph9j-5gg4

Frequently Asked Questions

What is CVE-2024-34363? +

Envoy is a cloud-native, open source edge and service proxy. Due to how Envoy invoked the nlohmann JSON library, the library could throw an uncaught exception from downstream data if incomplete UTF-8 strings were serialized. The uncaught exception would cause Envoy to crash. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-34363? +

CVE-2024-34363 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-34363? +

CVE-2024-34363 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-2024-34363? +

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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