Envoy up to 1.22.0 GrpcHealthCheckerImpl null pointer dereference

Summaryinfo

A vulnerability described as problematic has been identified in Envoy up to 1.22.0. Affected by this vulnerability is the function GrpcHealthCheckerImpl. Such manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2022-29224. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Envoy up to 1.22.0 and classified as problematic. Affected by this issue is the function GrpcHealthCheckerImpl. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was disclosed 06/09/2022 as GHSA-m4j9-86g3-8f49. The advisory is available at github.com. This vulnerability is handled as CVE-2022-29224 since 04/13/2022. Technical details are known, but there is no available exploit.

Upgrading to version 1.22.1 eliminates this vulnerability. Applying the patch 9b1c3962172a972bc0359398af6daa3790bb59db is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• Envoy

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22.0

License

• free

CPE 2.3info

• 🔍
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CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

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