Vulnerability Details CVE-2021-29258
An issue was discovered in Envoy 1.14.0. There is a remotely exploitable crash for HTTP2 Metadata, because an empty METADATA map triggers a Reachable Assertion.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://blog.envoyproxy.io
- https://github.com/envoyproxy/envoy-setec/pull/230
- https://github.com/envoyproxy/envoy/releases/tag/v1.14.0
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-rqvq-hxw5-776j
- https://blog.envoyproxy.io
- https://github.com/envoyproxy/envoy-setec/pull/230
- https://github.com/envoyproxy/envoy/releases/tag/v1.14.0
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg
Products affected by CVE-2021-29258
-
cpe:2.3:a:envoyproxy:envoy:1.14.6
-
cpe:2.3:a:envoyproxy:envoy:1.15.3
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cpe:2.3:a:envoyproxy:envoy:1.16.2
-
cpe:2.3:a:envoyproxy:envoy:1.17.1