CVE-2021-43825

Envoy is an open source edge and service proxy, designed for cloud-native applications. Sending a locally generated response must stop further processing of request or response data. Envoy tracks the amount of buffered request and response data and aborts the request if the amount of buffered data is over the limit by sending 413 or 500 responses. However when the buffer overflows while response is processed by the filter chain the operation may not be aborted correctly and result in accessing a freed memory block. If this happens Envoy will crash resulting in a denial of service.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:29

Type Values Removed Values Added
CVSS v2 : 5.0
v3 : 7.5
v2 : 5.0
v3 : 6.1
References () https://github.com/envoyproxy/envoy/commit/148de954ed3585d8b4298b424aa24916d0de6136 - Patch, Third Party Advisory () https://github.com/envoyproxy/envoy/commit/148de954ed3585d8b4298b424aa24916d0de6136 - Patch, Third Party Advisory
References () https://github.com/envoyproxy/envoy/security/advisories/GHSA-h69p-g6xg-mhhh - Issue Tracking, Third Party Advisory () https://github.com/envoyproxy/envoy/security/advisories/GHSA-h69p-g6xg-mhhh - Issue Tracking, Third Party Advisory

Information

Published : 2022-02-22 23:15

Updated : 2024-11-21 06:29


NVD link : CVE-2021-43825

Mitre link : CVE-2021-43825

CVE.ORG link : CVE-2021-43825


JSON object : View

Products Affected

envoyproxy

  • envoy
CWE
CWE-416

Use After Free