CVE-2024-34363: Envoy can crash due to uncaught nlohmann JSON exception

Published Jun 4, 2024
·
Updated

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.

Affected Software

3 affected components
Envoyproxy Envoy>=1.28.0<1.28.4
Envoyproxy Envoy>=1.29.0<1.29.5
Envoyproxy Envoy>=1.30.0<1.30.2

Event History

Jun 4, 2024
CVE Published
via MITRE·08:59 PM
Data Sourced
via MITRE·08:59 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2024-34363?

The severity of CVE-2024-34363 is categorized as high due to the potential for crashes in Envoy caused by uncaught exceptions.

2

How do I fix CVE-2024-34363?

To fix CVE-2024-34363, upgrade Envoy to versions 1.28.4, 1.29.5, or 1.30.2 or later.

3

What versions of Envoy are affected by CVE-2024-34363?

CVE-2024-34363 affects Envoy Proxy versions from 1.28.0 to 1.28.4, from 1.29.0 to 1.29.5, and from 1.30.0 to 1.30.2.

4

What causes the vulnerability in CVE-2024-34363?

The vulnerability in CVE-2024-34363 is caused by the nlohmann JSON library throwing uncaught exceptions when handling incomplete UTF-8 strings.

5

Is a workaround available for CVE-2024-34363?

There is no specific workaround for CVE-2024-34363; updating Envoy to a fixed version is recommended.

Contact

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