Vulnerability Details CVE-2022-21655
Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal redirects if direct response entries are configured on the same listener.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 4.3
References
- https://github.com/envoyproxy/envoy/commit/177d608155ba8b11598b9bbf8240e90d8c350682
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-7r5p-7fmh-jxpg
- https://github.com/envoyproxy/envoy/commit/177d608155ba8b11598b9bbf8240e90d8c350682
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-7r5p-7fmh-jxpg
Products affected by CVE-2022-21655
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cpe:2.3:a:envoyproxy:envoy:-
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cpe:2.3:a:envoyproxy:envoy:1.0.0
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cpe:2.3:a:envoyproxy:envoy:1.1.0
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cpe:2.3:a:envoyproxy:envoy:1.10.0
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cpe:2.3:a:envoyproxy:envoy:1.11.0
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cpe:2.3:a:envoyproxy:envoy:1.11.1
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cpe:2.3:a:envoyproxy:envoy:1.11.2
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cpe:2.3:a:envoyproxy:envoy:1.12.0
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cpe:2.3:a:envoyproxy:envoy:1.12.1
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cpe:2.3:a:envoyproxy:envoy:1.12.2
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cpe:2.3:a:envoyproxy:envoy:1.12.3
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cpe:2.3:a:envoyproxy:envoy:1.12.4
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cpe:2.3:a:envoyproxy:envoy:1.12.5
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cpe:2.3:a:envoyproxy:envoy:1.12.6
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cpe:2.3:a:envoyproxy:envoy:1.12.7
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cpe:2.3:a:envoyproxy:envoy:1.13.0
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cpe:2.3:a:envoyproxy:envoy:1.13.1
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cpe:2.3:a:envoyproxy:envoy:1.13.2
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cpe:2.3:a:envoyproxy:envoy:1.13.3
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cpe:2.3:a:envoyproxy:envoy:1.13.4
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cpe:2.3:a:envoyproxy:envoy:1.13.5
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cpe:2.3:a:envoyproxy:envoy:1.13.6
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cpe:2.3:a:envoyproxy:envoy:1.13.7
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cpe:2.3:a:envoyproxy:envoy:1.13.8
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cpe:2.3:a:envoyproxy:envoy:1.14.0
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cpe:2.3:a:envoyproxy:envoy:1.14.1
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cpe:2.3:a:envoyproxy:envoy:1.14.2
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cpe:2.3:a:envoyproxy:envoy:1.14.3
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cpe:2.3:a:envoyproxy:envoy:1.14.4
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cpe:2.3:a:envoyproxy:envoy:1.14.5
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cpe:2.3:a:envoyproxy:envoy:1.14.6
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cpe:2.3:a:envoyproxy:envoy:1.14.7
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cpe:2.3:a:envoyproxy:envoy:1.15.0
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cpe:2.3:a:envoyproxy:envoy:1.15.1
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cpe:2.3:a:envoyproxy:envoy:1.15.2
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cpe:2.3:a:envoyproxy:envoy:1.15.3
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cpe:2.3:a:envoyproxy:envoy:1.15.4
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cpe:2.3:a:envoyproxy:envoy:1.15.5
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cpe:2.3:a:envoyproxy:envoy:1.16.0
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cpe:2.3:a:envoyproxy:envoy:1.16.1
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cpe:2.3:a:envoyproxy:envoy:1.16.2
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cpe:2.3:a:envoyproxy:envoy:1.16.3
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cpe:2.3:a:envoyproxy:envoy:1.16.4
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cpe:2.3:a:envoyproxy:envoy:1.16.5
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cpe:2.3:a:envoyproxy:envoy:1.17.0
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cpe:2.3:a:envoyproxy:envoy:1.17.1
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cpe:2.3:a:envoyproxy:envoy:1.17.2
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cpe:2.3:a:envoyproxy:envoy:1.17.3
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cpe:2.3:a:envoyproxy:envoy:1.17.4
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cpe:2.3:a:envoyproxy:envoy:1.18.0
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cpe:2.3:a:envoyproxy:envoy:1.18.1
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cpe:2.3:a:envoyproxy:envoy:1.18.2
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cpe:2.3:a:envoyproxy:envoy:1.18.3
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cpe:2.3:a:envoyproxy:envoy:1.18.4
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cpe:2.3:a:envoyproxy:envoy:1.19.0
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cpe:2.3:a:envoyproxy:envoy:1.19.1
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cpe:2.3:a:envoyproxy:envoy:1.2.0
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cpe:2.3:a:envoyproxy:envoy:1.20.0
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cpe:2.3:a:envoyproxy:envoy:1.20.1
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cpe:2.3:a:envoyproxy:envoy:1.21.0
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cpe:2.3:a:envoyproxy:envoy:1.3.0
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cpe:2.3:a:envoyproxy:envoy:1.4.0
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cpe:2.3:a:envoyproxy:envoy:1.5.0
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cpe:2.3:a:envoyproxy:envoy:1.6.0
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cpe:2.3:a:envoyproxy:envoy:1.7.0
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cpe:2.3:a:envoyproxy:envoy:1.7.1
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cpe:2.3:a:envoyproxy:envoy:1.8.0
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cpe:2.3:a:envoyproxy:envoy:1.9.0
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cpe:2.3:a:envoyproxy:envoy:1.9.1